**Laparoscopy in Trauma Patients**

Cino Bendinelli1 and Zsolt J. Balogh1,2

*1John Hunter Hospital, Newcastle, NSW, 2University of Newcastle, NSW, Australia* 

#### **1. Introduction**

42 Advances in Laparoscopic Surgery

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The burden of major trauma, predominantly blunt in nature, continues to rise in most countries. More often the young are affected with lifelong debilitating consequences. Minimally invasive techniques, such as laparoscopic procedures, have become standard for the treatment of many surgical conditions, being able to minimize the impact of surgery, to reduce postoperative pain, time in hospital, time to recover, and to improve cosmetic outcomes.

The use of laparoscopy as an aid in the diagnosis of abdominal trauma was first described in 1977 (Simon, Gazzaniga, Carnevale). In 1988 Cuschieri compared diagnostic peritoneal lavage with a laparoscopy (using a 4-mm scope) in blunt abdominal trauma patients demonstrating that laparoscopy carried a higher positive predictive value when compared to diagnostic peritoneal lavage (Cuschieri). Since then, the use of laparoscopy in abdominal trauma has increased exponentially. In trauma patients laparoscopy may avoid unnecessary (non-therapeutic) laparotomy, may improve operative visualisation of diaphragm, and may allow laparoscopic repair of these injuries.

Despite these clear potentialities, laparoscopy has not yet gained wide acceptation and it is not consistently performed in trauma patients. There are several reasons for this.


Laparoscopy in Trauma Patients 45

wall thickening, stranding of the mesentery, dilated bowel loops, extraluminal retroperitoneal air and/or free fluid without solid organ injury) and the patient's clinical status is only suspicious or not assessable (comatose patients). In this subgroup of patients delay in diagnosis occurs in up to 5% of cases and contributes to increased morbidity from 10 to 30% (Mathonet). Laparoscopy for blunt trauma reported a sensitivity of 90–100%, specificity of 86–100%, and accuracy of 88–100% for bowel injuries (Villavicencio and

Findings of FAST can be categorised into three groups: those without injuries, those with injuries who do not require surgical treatment, and those who require repair which may be

The guidelines for diagnostic laparoscopy, published by the Society of American Gastrointestinal and Endoscopic Surgeons, stated that diagnostic laparoscopy is

Many AA have challenged this and, over the last 20 years, sporadic groups, with a specific interest in laparoscopy, have first demonstrated FAST to be a safe and consistent diagnostic tool in both blunt and penetrating trauma and then proved therapeutic laparoscopy to be

Laparoscopic repairs of injuries to virtually every organ have been described. Injuries to diaphragm (Simon), parenchymal organs and gastro-intestinal tract (Cherkasov, Lin) have been successfully repaired laparoscopically. Large case series exist from institutions that provide full definitive laparoscopic management of any injuries (also in shocked and actively bleeding patients) with no or minimal missed injuries and dismal conversion rate

Actively bleeding spleen injuries may be treated laparoscopically. Patients who continue to bleed following embolization or with high grade spleen injuries are treated with laparoscopic application of collagen–fibrinogen human thrombin seal on oozing lacerations and if a major bleeding is encountered laparoscopic splenectomy is then performed (Olmi,

Non-operative management of hepatic and splenic injuries is successful in up to 80% of instances. Many of these patients (up to 75% in high grade injuries) will demonstrate signs of inflammatory response due to the haemoperitoneum (fever, leukocytosis, discomfort, and tachycardia) (Letoublon). The use of laparoscopy to remove the old blood from the peritoneal cavity maybe accomplished safely and maybe beneficial (Carillo). During the procedure the solid organs and the clots on their surface are left alone to avoid any potential haemorrhage. Bilioma and biliary peritonitis due to bile duct injuries may also be treated with collagen–fibrinogen human thrombin seal and/or drained laparoscopically. (Carillo

Small lacerations of stomach, duodenum, small bowel, and colon can be repaired laparoscopically. When an anastomosis or a long repair is required these are usually

performed extracorporeally through a small focused celiotomy (Hope Streck, Ianelli).

accomplished laparoscopically depending on the laparoscopic skills of the surgeon.

contraindicated when there is obvious intra-abdominal injury or peritonitis (Hori).

Aucar)

**4. Therapeutic laparoscopy** 

safe in repairing the encountered injuries.

(Cherkasov, Lin).

Sugrue, Marzano).

Marzano).

#### **2. Indication**

In trauma patients laparoscopy maybe used either as a diagnostic or as a therapeutic tool. Both are generally indicated only for patients with normal hemodynamics and in which major bleeding is not expected.

#### **3. Diagnostic laparoscopy**

Exploratory laparotomy in either blunt or penetrating abdominal trauma patients with suspected intra-abdominal injuries is associated with a high negative (non-therapeutic) laparotomy rate and a high procedure-related morbidity (41% according to Renz). Diagnostic laparoscopy in trauma patients is reported to spare a median of 57% (range, 17– 89%) of non-therapeutic laparotomy (Stefanidis). Depending on centres, indications for diagnostic laparoscopy varies widely including suspected intraabdominal injury after blunt trauma, abdominal stab wounds with proven or equivocal penetration of fascia, abdominal gunshot wounds with doubtful intraperitoneal trajectory, diagnosis of diaphragmatic injury from penetrating trauma to the thoracoabdominal area, and creation of a transdiaphragmatic pericardial window to rule out cardiac injury. The sensitivity, specificity, and diagnostic accuracy of diagnostic laparoscopy when used to predict the need for laparotomy range from 75 to 100% (Hori). When diagnostic laparoscopy has been used as a screening tool (conversion to laparotomy with the first encounter of a positive finding: peritoneal penetration in penetrating trauma or free blood in blunt trauma patients), the number of missed injuries is <1% (Hori). For penetrating trauma a sensitivity of 80–100%, specificity of 38–86%, and accuracy of 54–89% have been consistently reported (Villavicnezio, Leppaniemi).

Most trauma centres include diagnostic laparoscopy in the algorithm for management of patients with penetrating thoraco-abdominal trauma (Fig 1) (Biffl, Sugrue, Zantut, Lin, Mallat, Fabian). Patients without signs of shock, evisceration, or peritonitis undergo a "screening laparoscopy" to identify peritoneal or diaphragmatic penetration. In this setting screening laparoscopy is a better tool compared to local wound exploration (especially in large body habitus, uncooperative patient and thoraco abdominal injuries). Diaphragmatic injuries occur in up to 20% of patients with penetrating thoracoabdominal trauma (Friese, Powel). These are often undetected, remain clinically silent, only to present later with lifethreatening complications associated with diaphragmatic herniation. Diagnostic laparoscopy is not useful in posterior abdominal wall penetration to rule out retroperitoneal injuries.

An extension of diagnostic laparoscopy includes laparoscopic pericardial window for exclusion of cardiac injury in patients with thoracoabdominal penetrating wounds, normal hemodynamic status and free pericardial fluid at ultrasound. The pericardial membrane needs to be incised with endoshears and electrocautery must not be used to prevent possible dysrhythmia or myocardial damage (McMahon).

Following blunt abdominal trauma hemodynamic instability and a positive FAST (Focused Abdominal Sonography in Trauma) or Diagnostic Peritoneal Aspiration mandates immediate midline laparotomy. Laparoscopy may play a role in patients with blunt abdominal trauma, who are not bleeding, but have unclear findings on CT (bowel

In trauma patients laparoscopy maybe used either as a diagnostic or as a therapeutic tool. Both are generally indicated only for patients with normal hemodynamics and in which

Exploratory laparotomy in either blunt or penetrating abdominal trauma patients with suspected intra-abdominal injuries is associated with a high negative (non-therapeutic) laparotomy rate and a high procedure-related morbidity (41% according to Renz). Diagnostic laparoscopy in trauma patients is reported to spare a median of 57% (range, 17– 89%) of non-therapeutic laparotomy (Stefanidis). Depending on centres, indications for diagnostic laparoscopy varies widely including suspected intraabdominal injury after blunt trauma, abdominal stab wounds with proven or equivocal penetration of fascia, abdominal gunshot wounds with doubtful intraperitoneal trajectory, diagnosis of diaphragmatic injury from penetrating trauma to the thoracoabdominal area, and creation of a transdiaphragmatic pericardial window to rule out cardiac injury. The sensitivity, specificity, and diagnostic accuracy of diagnostic laparoscopy when used to predict the need for laparotomy range from 75 to 100% (Hori). When diagnostic laparoscopy has been used as a screening tool (conversion to laparotomy with the first encounter of a positive finding: peritoneal penetration in penetrating trauma or free blood in blunt trauma patients), the number of missed injuries is <1% (Hori). For penetrating trauma a sensitivity of 80–100%, specificity of 38–86%, and accuracy of 54–89% have been consistently reported

Most trauma centres include diagnostic laparoscopy in the algorithm for management of patients with penetrating thoraco-abdominal trauma (Fig 1) (Biffl, Sugrue, Zantut, Lin, Mallat, Fabian). Patients without signs of shock, evisceration, or peritonitis undergo a "screening laparoscopy" to identify peritoneal or diaphragmatic penetration. In this setting screening laparoscopy is a better tool compared to local wound exploration (especially in large body habitus, uncooperative patient and thoraco abdominal injuries). Diaphragmatic injuries occur in up to 20% of patients with penetrating thoracoabdominal trauma (Friese, Powel). These are often undetected, remain clinically silent, only to present later with lifethreatening complications associated with diaphragmatic herniation. Diagnostic laparoscopy is not useful in posterior abdominal wall penetration to rule out retroperitoneal

An extension of diagnostic laparoscopy includes laparoscopic pericardial window for exclusion of cardiac injury in patients with thoracoabdominal penetrating wounds, normal hemodynamic status and free pericardial fluid at ultrasound. The pericardial membrane needs to be incised with endoshears and electrocautery must not be used to prevent possible

Following blunt abdominal trauma hemodynamic instability and a positive FAST (Focused Abdominal Sonography in Trauma) or Diagnostic Peritoneal Aspiration mandates immediate midline laparotomy. Laparoscopy may play a role in patients with blunt abdominal trauma, who are not bleeding, but have unclear findings on CT (bowel

**2. Indication** 

major bleeding is not expected.

**3. Diagnostic laparoscopy** 

(Villavicnezio, Leppaniemi).

dysrhythmia or myocardial damage (McMahon).

injuries.

wall thickening, stranding of the mesentery, dilated bowel loops, extraluminal retroperitoneal air and/or free fluid without solid organ injury) and the patient's clinical status is only suspicious or not assessable (comatose patients). In this subgroup of patients delay in diagnosis occurs in up to 5% of cases and contributes to increased morbidity from 10 to 30% (Mathonet). Laparoscopy for blunt trauma reported a sensitivity of 90–100%, specificity of 86–100%, and accuracy of 88–100% for bowel injuries (Villavicencio and Aucar)

Findings of FAST can be categorised into three groups: those without injuries, those with injuries who do not require surgical treatment, and those who require repair which may be accomplished laparoscopically depending on the laparoscopic skills of the surgeon.

#### **4. Therapeutic laparoscopy**

The guidelines for diagnostic laparoscopy, published by the Society of American Gastrointestinal and Endoscopic Surgeons, stated that diagnostic laparoscopy is contraindicated when there is obvious intra-abdominal injury or peritonitis (Hori).

Many AA have challenged this and, over the last 20 years, sporadic groups, with a specific interest in laparoscopy, have first demonstrated FAST to be a safe and consistent diagnostic tool in both blunt and penetrating trauma and then proved therapeutic laparoscopy to be safe in repairing the encountered injuries.

Laparoscopic repairs of injuries to virtually every organ have been described. Injuries to diaphragm (Simon), parenchymal organs and gastro-intestinal tract (Cherkasov, Lin) have been successfully repaired laparoscopically. Large case series exist from institutions that provide full definitive laparoscopic management of any injuries (also in shocked and actively bleeding patients) with no or minimal missed injuries and dismal conversion rate (Cherkasov, Lin).

Actively bleeding spleen injuries may be treated laparoscopically. Patients who continue to bleed following embolization or with high grade spleen injuries are treated with laparoscopic application of collagen–fibrinogen human thrombin seal on oozing lacerations and if a major bleeding is encountered laparoscopic splenectomy is then performed (Olmi, Marzano).

Non-operative management of hepatic and splenic injuries is successful in up to 80% of instances. Many of these patients (up to 75% in high grade injuries) will demonstrate signs of inflammatory response due to the haemoperitoneum (fever, leukocytosis, discomfort, and tachycardia) (Letoublon). The use of laparoscopy to remove the old blood from the peritoneal cavity maybe accomplished safely and maybe beneficial (Carillo). During the procedure the solid organs and the clots on their surface are left alone to avoid any potential haemorrhage. Bilioma and biliary peritonitis due to bile duct injuries may also be treated with collagen–fibrinogen human thrombin seal and/or drained laparoscopically. (Carillo Sugrue, Marzano).

Small lacerations of stomach, duodenum, small bowel, and colon can be repaired laparoscopically. When an anastomosis or a long repair is required these are usually performed extracorporeally through a small focused celiotomy (Hope Streck, Ianelli).

Laparoscopy in Trauma Patients 47

Performing a full laparoscopic exploration of the abdominal cavity in search for injuries requires a systematic approach which follows all principles of open exploratory laparotomy (Kawahara). Indirect signs of bowel injury, such as digestive fluids or purulent liquids must be carefully looked for. Methylene blue administered IV or via the nasogastric tube may help to identify urologic or proximal bowel injuries. Some AA advocate laparoscopic assisted diagnostic peritoneal lavage to rule out bowel injuries trough absence of alkaline phosphatase, bile or fibers in the lavage. This concept may add to diagnostic laparoscopy sensitivity in excluding gut injuries and make most trauma surgeon more confident in

The bowel requires to be examined using the hand-over-hand technique with small bowel graspers from the ligament of Treitz to the terminal ileum. The colon is inspected from the cecum to the rectum and the supramesocolic space is inspected from the abdominal esophagus to the duodenum including spleen, liver and gallbladder. A laparoscopic full Kocher manoeuvre is accomplished in right lateral decubitus, the hepatic flexure of the colon is mobilized to the left side using the harmonic scalpel. The peritoneum is incised lateral to duodenum and blunt dissection mobilizes the duodenum medially in order to

For therapeutic laparoscopy more ports are usually necessary and usually titrated based on the surgical procedure required and the size of the patient. Extensive laparoscopic expertise is mandatory, to be able to treat patients with intestinal perforations. Laparoscopic suturing of bowel injuries is carried out with either silk or Vycril suture (Hope, Tytgal). An extra port may be necessary to achieve lining up of the bowel. If possible the bowel should be inflated and the suture line submerged in saline to rule out air leaks. Diaphragm repairs are best achieved with braided non absorbable sutures and

For splenectomy 4 ports are necessary: one 10-mm umbilical port, two 5-mm ports at left subcostal margin (for retraction and irrigation purposes); a 12-mm port below the left subcostal margin at mid-clavicular line. Right lateral tilting of the bed and reverse Trendelenberg allow suspending the spleen for optimal laparoscopic visualization. Subcapsular hematomas and coagulum are not disturbed to minimize bleeding. Using the harmonic scalpel (or Ligasure) the splenocolic ligament is first taken down from the lower pole of the spleen. The gastrosplenic ligament with short gastrics is then divided with harmonic scalpel (or Ligasure). The splenic hilum is secured and divided with several applications of a 35-mm linear endovascular stapling device. Prompt conversion may be necessary if massive bleeding is encountered. Hand assistance, with a hand port in order to control the hilar blood vessels (Ren) may be handy! This is particularly true when active

Hand assistance can be performed readily and should be considered a potential adjunct to

Conversion to celiotomy is mandated when visceral exploration is not adequate (obesity or tenacious postoperative adherences), or when hemodynamic instability arises during laparoscopy. Although laparoscopy does offer potential benefits, the trauma surgeon should

bleeding is obscuring the field or when the endovascular stapling device fails.

minimally invasive surgical procedure.

explore its dorsal aspect (Gorecki, Cherkasov, Kawahara, Lin).

adopting it.

large needles.

#### **5. Contraindication**

Although some centres have questioned it (Cherkasov) haemodynamic instability is currently the absolute contraindication for laparoscopy. The main reason for this is that bleeding identification and control cannot be performed rapidly by laparoscopic means (Ball, Hori).

Concomitant severe traumatic brain injury should also exclude laparoscopy. Some animal models (Goetler), case reports (Mobbs), and extrapolation from series of patients with abdominal compartment syndrome suggest that intracerebral pressure maybe increased by high abdominal pressures (Joseph).

Contraindications such as previous abdominal scars are relative, as optical port can create a safe access, but if intraabdominal adhesions prevent full and confident exploration the procedure should be converted.

Tension pneumothorax is always a possible complication when a diaphragmatic injury allows CO2 to fill the pleural cavity. As discussed above, this is diagnosed earlier when using low flow rate for induction of pneumoperitoneum and best treated with prompt chest drain insertion. A chest drain should always be available during the procedure (Ball).

One of the most important contraindication will always be lack of inadequate laparoscopic skills. A screening laparoscopy to rule out peritoneal violation is an easy task, full abdominal exploration is a time consuming challenging procedure, and laparoscopic repair of bowel an advanced laparoscopic skill.

#### **6. Technique**

Positioning and preparation of the patient for trauma laparoscopy is essentially the same as for any trauma laparotomy. The theatre is warm and instruments for a conversion to laparotomy or access to the thorax should readily available. The patient is placed supine on a beanbag and well strapped. Bed tilting is crucial to allow gravity to retract abdominal organs and to increase working space. Pneumoperitoneum is achieved with low CO2 flow and maintained at low pressures (8–12 mmHg). Low flow rate allows timely detection of a tension pneumothorax (increased ventilatory pressures and/or hypotension). Should this occur the pneumoperitoneum is immediately released and a size 32Fr chest drain is inserted on the most likely side. The procedure is then carried out open (Fabian).

Diagnositc laparoscopy is achieved trough a 10mm umbilical port best inserted with an open technique. A 30degree laparoscope (5-10mm in diameter) allows optimal visualization of abdominal wall, diaphrams and liver/spleen dome. Tilting the bed in Trendelenburg position or reverse Trendelenburg position allows visualization of lower and upper abdomen. For paracolic gutters exploration lateral tilting is required. In the case of penetrating wounds, air leaks trough the skin may need to be controlled with sutures or external digital pressure. In most cases visceral handling is necessary and easily carried out with 5mm atraumatic bowel graspers through two paramedian 5mm ports placed on the umbilical line. A 5mm laparoscope (which carries less light and may be inadequate in bloody fields) allows liberal interchange of the instruments between the ports. Peritoneal violation can be determined easily and reliably.

Although some centres have questioned it (Cherkasov) haemodynamic instability is currently the absolute contraindication for laparoscopy. The main reason for this is that bleeding identification and control cannot be performed rapidly by laparoscopic means

Concomitant severe traumatic brain injury should also exclude laparoscopy. Some animal models (Goetler), case reports (Mobbs), and extrapolation from series of patients with abdominal compartment syndrome suggest that intracerebral pressure maybe increased by

Contraindications such as previous abdominal scars are relative, as optical port can create a safe access, but if intraabdominal adhesions prevent full and confident exploration the

Tension pneumothorax is always a possible complication when a diaphragmatic injury allows CO2 to fill the pleural cavity. As discussed above, this is diagnosed earlier when using low flow rate for induction of pneumoperitoneum and best treated with prompt chest drain insertion. A chest drain should always be available during the procedure (Ball).

One of the most important contraindication will always be lack of inadequate laparoscopic skills. A screening laparoscopy to rule out peritoneal violation is an easy task, full abdominal exploration is a time consuming challenging procedure, and laparoscopic repair

Positioning and preparation of the patient for trauma laparoscopy is essentially the same as for any trauma laparotomy. The theatre is warm and instruments for a conversion to laparotomy or access to the thorax should readily available. The patient is placed supine on a beanbag and well strapped. Bed tilting is crucial to allow gravity to retract abdominal organs and to increase working space. Pneumoperitoneum is achieved with low CO2 flow and maintained at low pressures (8–12 mmHg). Low flow rate allows timely detection of a tension pneumothorax (increased ventilatory pressures and/or hypotension). Should this occur the pneumoperitoneum is immediately released and a size 32Fr chest drain is inserted

Diagnositc laparoscopy is achieved trough a 10mm umbilical port best inserted with an open technique. A 30degree laparoscope (5-10mm in diameter) allows optimal visualization of abdominal wall, diaphrams and liver/spleen dome. Tilting the bed in Trendelenburg position or reverse Trendelenburg position allows visualization of lower and upper abdomen. For paracolic gutters exploration lateral tilting is required. In the case of penetrating wounds, air leaks trough the skin may need to be controlled with sutures or external digital pressure. In most cases visceral handling is necessary and easily carried out with 5mm atraumatic bowel graspers through two paramedian 5mm ports placed on the umbilical line. A 5mm laparoscope (which carries less light and may be inadequate in bloody fields) allows liberal interchange of the instruments between the ports. Peritoneal

on the most likely side. The procedure is then carried out open (Fabian).

**5. Contraindication** 

high abdominal pressures (Joseph).

procedure should be converted.

of bowel an advanced laparoscopic skill.

violation can be determined easily and reliably.

(Ball, Hori).

**6. Technique** 

Performing a full laparoscopic exploration of the abdominal cavity in search for injuries requires a systematic approach which follows all principles of open exploratory laparotomy (Kawahara). Indirect signs of bowel injury, such as digestive fluids or purulent liquids must be carefully looked for. Methylene blue administered IV or via the nasogastric tube may help to identify urologic or proximal bowel injuries. Some AA advocate laparoscopic assisted diagnostic peritoneal lavage to rule out bowel injuries trough absence of alkaline phosphatase, bile or fibers in the lavage. This concept may add to diagnostic laparoscopy sensitivity in excluding gut injuries and make most trauma surgeon more confident in adopting it.

The bowel requires to be examined using the hand-over-hand technique with small bowel graspers from the ligament of Treitz to the terminal ileum. The colon is inspected from the cecum to the rectum and the supramesocolic space is inspected from the abdominal esophagus to the duodenum including spleen, liver and gallbladder. A laparoscopic full Kocher manoeuvre is accomplished in right lateral decubitus, the hepatic flexure of the colon is mobilized to the left side using the harmonic scalpel. The peritoneum is incised lateral to duodenum and blunt dissection mobilizes the duodenum medially in order to explore its dorsal aspect (Gorecki, Cherkasov, Kawahara, Lin).

For therapeutic laparoscopy more ports are usually necessary and usually titrated based on the surgical procedure required and the size of the patient. Extensive laparoscopic expertise is mandatory, to be able to treat patients with intestinal perforations. Laparoscopic suturing of bowel injuries is carried out with either silk or Vycril suture (Hope, Tytgal). An extra port may be necessary to achieve lining up of the bowel. If possible the bowel should be inflated and the suture line submerged in saline to rule out air leaks. Diaphragm repairs are best achieved with braided non absorbable sutures and large needles.

For splenectomy 4 ports are necessary: one 10-mm umbilical port, two 5-mm ports at left subcostal margin (for retraction and irrigation purposes); a 12-mm port below the left subcostal margin at mid-clavicular line. Right lateral tilting of the bed and reverse Trendelenberg allow suspending the spleen for optimal laparoscopic visualization. Subcapsular hematomas and coagulum are not disturbed to minimize bleeding. Using the harmonic scalpel (or Ligasure) the splenocolic ligament is first taken down from the lower pole of the spleen. The gastrosplenic ligament with short gastrics is then divided with harmonic scalpel (or Ligasure). The splenic hilum is secured and divided with several applications of a 35-mm linear endovascular stapling device. Prompt conversion may be necessary if massive bleeding is encountered. Hand assistance, with a hand port in order to control the hilar blood vessels (Ren) may be handy! This is particularly true when active bleeding is obscuring the field or when the endovascular stapling device fails.

Hand assistance can be performed readily and should be considered a potential adjunct to minimally invasive surgical procedure.

Conversion to celiotomy is mandated when visceral exploration is not adequate (obesity or tenacious postoperative adherences), or when hemodynamic instability arises during laparoscopy. Although laparoscopy does offer potential benefits, the trauma surgeon should

Laparoscopy in Trauma Patients 49

\*Wound exploration is recommended only in thin and cooperative patients.

Fig. 1. Institutional guidelines for penetrating torso trauma

never let the lure of a "minimally invasive" procedure compromise patient care or the use of sound clinical judgment.

#### **7. Sequale of trauma**

Laparoscopy is a well validated technique to repair abdominal wall and diaphragmatic defects, which may follow blunt or penetrating trauma. These procedures are less controversial and considered safer mainly because they are carried out as elective procedures, with a clear plan in terms of ports placement and methods of repair. There is usually no need to explore the abdomen in search for other injuries. Diaphragmatic defects are best repaired with direct suture. When the defect is too large an expanded polytetrafluoroethylene or double layered prosthesis is utilized (Matz, Baldassarre). The mesh is secured with a combination of endoscopic tacks and laparoscopic suturing (Bobbio). Endoscopic tacks should not be used on the diaphragm, due to the risks of lung and heart injury (Bendinelli).

#### **8. Future**

The future holds exciting advances for this field of surgery through innovative developments. All AA agree that an improvement in instrumentation is still required. In the near future laparoscopic management of abdominal trauma will play a greater role in the treatment of haemodynamically stable patients and might one day be a reasonable option for unstable patients.

Further research needs to analyse outcome measures of laparoscopic techniques in comparison to traditional laparotomy. The beneficial effect of laparoscopic treatment of injuries should be investigated further before the widespread adoption of this approach.

The main concern will always be missed injuries. To minimize the risk of missing bowel injuries it might be worth to combine explorative laparoscopy with laparoscopic lavage using the standard laboratory criteria (Otomo). This concept, which is definitely intriguing although logistically demanding, warrants further evaluation (Vinces).

The learning curve typical of any procedure (especially laparoscopic ones) will have to be better understood. Adequate training and support to Trauma Surgeon should be provided by dedicated laparoscopists both in Operating Theatre and in *ad hoc* courses.

With the current obese pandemia laparoscopy may be even more beneficial, as many penetrating injuries do not reach the abdominal cavity or if they do organs may be more protected by thick omentum. This must be compared to the higher morbidity rate of a full midline laparotomy in obese patients.

Screening laparoscopy for penetrating abdominal trauma using only local anaesthetics can be performed in the Emergency Department in awake patients (Weinberg). Laparoscopy may become a triage tool in Emergency Department (discharge versus laparotomy) and would be of great value in busy metropolitan Trauma Centres.

Laparoscopy typically minimizes the insult of surgery and may also play a role in reducing the incidence of Systemic inflammatory response syndrome (SIRS) often seen in multiple injured trauma patients.

never let the lure of a "minimally invasive" procedure compromise patient care or the use of

Laparoscopy is a well validated technique to repair abdominal wall and diaphragmatic defects, which may follow blunt or penetrating trauma. These procedures are less controversial and considered safer mainly because they are carried out as elective procedures, with a clear plan in terms of ports placement and methods of repair. There is usually no need to explore the abdomen in search for other injuries. Diaphragmatic defects are best repaired with direct suture. When the defect is too large an expanded polytetrafluoroethylene or double layered prosthesis is utilized (Matz, Baldassarre). The mesh is secured with a combination of endoscopic tacks and laparoscopic suturing (Bobbio). Endoscopic tacks should not be used on

The future holds exciting advances for this field of surgery through innovative developments. All AA agree that an improvement in instrumentation is still required. In the near future laparoscopic management of abdominal trauma will play a greater role in the treatment of haemodynamically stable patients and might one day be a reasonable option

Further research needs to analyse outcome measures of laparoscopic techniques in comparison to traditional laparotomy. The beneficial effect of laparoscopic treatment of injuries should be investigated further before the widespread adoption of this approach.

The main concern will always be missed injuries. To minimize the risk of missing bowel injuries it might be worth to combine explorative laparoscopy with laparoscopic lavage using the standard laboratory criteria (Otomo). This concept, which is definitely intriguing

The learning curve typical of any procedure (especially laparoscopic ones) will have to be better understood. Adequate training and support to Trauma Surgeon should be provided

With the current obese pandemia laparoscopy may be even more beneficial, as many penetrating injuries do not reach the abdominal cavity or if they do organs may be more protected by thick omentum. This must be compared to the higher morbidity rate of a full

Screening laparoscopy for penetrating abdominal trauma using only local anaesthetics can be performed in the Emergency Department in awake patients (Weinberg). Laparoscopy may become a triage tool in Emergency Department (discharge versus laparotomy) and

Laparoscopy typically minimizes the insult of surgery and may also play a role in reducing the incidence of Systemic inflammatory response syndrome (SIRS) often seen in multiple

the diaphragm, due to the risks of lung and heart injury (Bendinelli).

although logistically demanding, warrants further evaluation (Vinces).

would be of great value in busy metropolitan Trauma Centres.

by dedicated laparoscopists both in Operating Theatre and in *ad hoc* courses.

sound clinical judgment.

**7. Sequale of trauma** 

**8. Future** 

for unstable patients.

midline laparotomy in obese patients.

injured trauma patients.

\*Wound exploration is recommended only in thin and cooperative patients.

Fig. 1. Institutional guidelines for penetrating torso trauma

Laparoscopy in Trauma Patients 51

Gorecki PJ, Cottam D, Angus LDG, et al. Diagnostic and therapeutic laparoscopyfor trauma:

Hope WW, Christmas AB,Dg Jacobs, RF Sing. Definitive laparoscopic repair of penetrating

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**Part 2** 

**Urology Procedures** 

