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11 Surgical Decision-Making in Complex Clinical Scenarios in Abdominal Surgery: A Case-Based…
123
Can Burst Abdomen BePrevented?
Preventive measures in the initial laparotomy play a crucial role in averting the occurrence of burst abdomen. Employing mesh during emer­gent laparotomies can preempt future fascial dehiscence, particularly in cases where there are concerns regarding weak fascia or infection risks are high [54]. Additionally, employing long­lasting monolament sutures in a running tech­nique during primary fascial closure has been shown to reduce incisional hernia rates compared to interrupted suture techniques [58].

The Management

In managing the burst abdomen, emergent reclo­sure in the operating room remains the corner­stone. The eviscerated abdominal contents should be washed with warm saline and returned to the abdominal cavity.
The choice of closure technique and the tim­ing of closure is a crucial surgical decision. The current evidence favors fascial closure reinforced with mesh [59], which results in lower incisional hernia rates (12.5%) compared to primary suture closure (30.7%) [54, 59]. The mesh reinforce­ment has similar outcomes in terms of surgical site infection, recurrence, and mortality rates [59].
We prefer use of biologic mesh reinforcement, placed in the retro rectus space and complex abdominal wall reconstruction [8]. In the case of a burst abdomen, utilizing size 0 polydioxanone (PDS) suture material in a running fashion with each bite encompassing the entire abdominal wall excluding the skin and subcutaneous tissue has been shown to effectively prevent recurrent dehiscence [60]. Each bite should be 3cm from the fascial edge and should travel no more than 5mm creating a wound-suture ratio of 1:10 [60].

Summary

The management of burst abdomen represents a rare but a great challenge in acute care surgery. Burst abdomen, characterized by the breakdown of surgical incisions, poses signicant chal­lenges, with mortality rates reaching 40% and an incidence of 1% within 30 days postoperatively (Fig.11.14). The closure technique of burst abdo­men should include mesh reinforcement, placed in the retro rectus space, but the timing is based on the edema and present of contamination level. If there is signicant edema present, we prefer use of DPR (Fig.11.15) and temporary closure for 48–72 hours [45], followed by CAWR (Figs.11.16 and 11.17).
Fig. 11.14 Ischemia of the ileostomy and severe wound infection due to intra-abdominal process. (Courtesy of Dr. Lati)
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Fig. 11.15 Illustration of a patient undergoing DCL and DPR (Fig. 11.15). Temporary abdominal closure with DPR.Blake drain (not seen are placed for DPR, one on each side of superior abdomen, with nal CAWR with biologic mesh) (Figs.11.16 and 11.17). (Courtesy of Dr. Lati)
Fig. 11.16 Illustration of a patient undergoing DCL and DPR (Fig.11.15), with nal CAWR with biologic mesh (Figs.11.16 and 11.17). Tailored biologic mesh size for CAWR. (Courtesy of Dr. Lati)
Fig. 11.17 Illustration of a patient undergoing DCL and DPR (Fig.11.15), with nal CAWR with biologic mesh (Figs. 11.16 and 11.17). Ensuring that biologic mesh is placed appropriately for proper coverage. (Courtesy of Dr. Lati)
11 Surgical Decision-Making in Complex Clinical Scenarios in Abdominal Surgery: A Case-Based…
The Dicult Hernia Repair
Patient Example 8
Patient is a 47-year-old male with past medical history of obesity, hypertension, and GERD who presents to the emergency department with abdominal pain. Patient states that he has had an abdominal hernia ever since he underwent an exploratory laparotomy 1 year ago for GSW to the abdomen. He underwent two explorations and incomplete lysis of adhesions, and on the last exploration several years ago, the surgeon found a hostile abdomen and decided to bell out and declared that “abdomen was not operable.” He has had multiple visits to the emergency depart­ment since then and refused to be operated on, the last one being two weeks prior to this visit. On CT scan patient has a large ventral hernia containing most of his small bowel. You evaluate the patient and note that the hernia is tender to palpation with erythematous skin changes. This time he agrees to let you take the patient urgently to the operating room. Diagnosis: Neglected ven­tral hernia.
Fig. 11.18 Large neglected abdominal wall hernia on a patient that was seen by many surgeons, but was not oper­ated because he did not have obstructive symptoms! (Courtesy of Dr. Lati)
125
Identication andDiagnosis
“Ventral hernia is a surgical disease, should be treated surgically, and one should die from it”– the senior author wrote in recent years on one editorial [61], but the timing and optimal repair technique intervention continue to be debated. In the context of strangulated hernias, reduction should be abstained from to prevent the introduc­tion of compromised or necrotic bowel segments into the peritoneal cavity, potentially leading to diffuse peritonitis [62], and the patient should be operated on at once. The discomfort caused by neglecting it is obvious as illustrated in a 77-year­old male patient (Fig.11.18) that was “shopping” for a surgeon for years but was refused, because he was “not symptomatic enough,” and “he would die on the table.” He did very well with a new abdominal wall. Another group of patients with hernia that are often neglected by surgeons are those with ascites due to cirrhosis (Fig.11.19).
Fig. 11.19 Large neglected umbilical hernia in a patient with severe liver cirrhosis awaiting liver transplant. This patient underwent complex abdominal wall reconstruc­tion with much improved quality of life, and about 6 months later, he received a liver transplant. (Courtesy of Dr. Lati)
Management oftheDisease
Preoperative considerations, including comorbid­ities and hernia complexity, are pivotal in deter­mining the management of difcult hernias. With the prevalence of ventral hernias increasing annu-
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ally, there is equal increase in recurrent rates sta­tus post-initial repair, ranging from 15% to 40%. These rates necessitate careful evaluation of pre­operative risk factors such as BMI >30, smoking, diabetes, COPD, American Society of Anesthesiologist (ASA) Grades III–IV, and ste­roid use [63]. Having a preoperatively high risk of recurrence indicates that patients are subjected to major surgery with the potential of no long-term benet. While ventral hernia repair for elective cases may benet from preoperative medical opti­mization, emergency scenarios require immediate surgical intervention despite the associated risks.
The decision between open and laparoscopic approaches for ventral hernia repair has been rigor­ously debated. While an open approach is the mainstay for emergent repair of strangulated bowel, contemporary trends favor more minimally inva­sive approaches, supported by studies demonstrat­ing reduced hospital stays, decreased chronic pain, and fewer analgesic requirements [64]. Current evidence suggest considering a laparoscopic approach for hernias <10 cm in width and in patients with morbid obesity, diabetes, and immu­nosuppression [64]. However, larger and more complex hernias benet from open repair, most notably in cases requiring complex abdominal wall reconstruction. This involves utilizing component separation techniques which divide the myofascial layers to alleviate midline tension and facilitate midline closure [65]. While there is a broad array of mesh to choose from, ranging from permanent synthetic to absorbable synthetic and biologic, mesh selection is inuenced by factors such as hos­pital inventory, surgeon preference, and the con­tamination level. In summary, while minimally invasive techniques have a modern role in ventral hernia repair, more complex and larger diameter hernias may necessitate an open approach utilizing component separation and complex abdominal wall reconstruction with mesh reinforcement.
A 58-year-old male with obesity, hypertension, congestive heart failure (CHF) from an unknown etiology, and a pacemaker presented with deteri­orating overall condition secondary to groin and scrotal pain related to a long-standing left ingui­nal hernia. Following years of the hernia being present, sudden onset swelling and pain in the left groin, and inability to reduce the hernia, he presented with hemodynamic instability and severe leukocytosis, and overall “real-sick look.” CT scan imaging done prior to surgery team con- sultation uncovered an incarcerated left scrotal hernia containing the sigmoid colon. Upon eval­uation by the surgical team, the patient not only had a strangulated inguinal hernia, but he also had a NSTI of the scrotum (Fig. 11.20).
In light of the patient’s deteriorating hemody­namic status and unstable cardiac condition, an emergent exploratory laparotomy was under­taken to reduce the sigmoid colon. The reduction of the sigmoid colon and return to the abdomen was performed with many difculties (Fig.
Management ofIntraoperative Surprises inAcute Care Surgery
Patient # 9
Fig. 11.20 Scrotum of the patient with NSTI secondary to incarcerated, non-reducible left colon into the scrotum, and neglected for at least 7 days. (Courtesy of Dr. Lati)
11 Surgical Decision-Making in Complex Clinical Scenarios in Abdominal Surgery: A Case-Based…
Fig. 11.22 A segment of small bowel with three lesions of endocrine tumor. (Courtesy of Dr. Lati)
127
Fig. 11.21 Incarcerated left colon in the left scrotum, pulled out of the scrotum from the abdomen. (Courtesy of Dr. Lati)
11.21). Intraoperatively, he developed signicant
hypotension and desaturation requiring ambo bagging and high doses of vasopressors, neces­sitating a swift transition to a damage control laparotomy and wide incision and debridement of the scrotum with placement of wound VAC both in the abdomen and scrotum, followed by surgical intensive care unit (ICU) admission for resuscitation.
Second-Look Procedures
The challenging nature of the case became fur­ther pronounced during second-look procedures, where intraoperative exploration revealed unforeseen white plaques on a 45cm segment of small bowel, prompting a resection with primary anastomosis (Fig. 11.22). The identication of cirrhotic changes in the liver and an edematous, partially necrotic and calcied gallbladder (Fig.
11.23) prompted a partial cholecystectomy. A
matted hepatocytic triangle during cholecystec­tomy posed additional unforeseen challenges leading to a reconstituted subtotal cholecystec­tomy. Additionally, an appendectomy was per-
formed due to the presence of large fecaliths in the appendix which further underscored the theme of unexpected ndings that highlight the complexity of this case. Multiple trips to the oper­ating room were required including near comple­tion of the cholecystectomy on the third exploration (Fig. 11.10) followed by meticulous wound management and wound VAC placement.
Pathology reports unveiled a well­differentiated neuroendocrine tumor in the small bowel segment, creating a new dimension in the patient’s diagnostic journey. Elevated biomarkers such as plasma chromogranin A and serum sero­tonin levels pointed toward neuroendocrine tumor activity, introducing a new realm of com­plexity into the management plan. Additionally, pathological examination of the gallbladder and appendix uncovered chronic cholecystitis, chole­lithiasis, and acute inammation of the appendix, contributing further to the intricate nature of the case. Eventually we were able to save both of his testicles (Fig. 11.23) and close the scrotum and the abdominal wall. He was discharged from the hospital in very good condition (Fig. 11.24).
Management of unexpected ndings in the oper­ating room both electively but particularly in emer­gency surgery or acute care surgery often requires a change in operative planning and adaptation to a
128
Fig. 11.23 Viable testicle following multiple debride­ment of scrotum for NSTI. (Courtesy of Dr. Lati)
Fig. 11.24 Scrotum closed. Full recovery. Closed scro­tum from Fig. 11.23. Patient had no complications and made a full recovery. (Courtesy of Dr. Lati)
new environment and pathology. Despite meticu­lous preoperative planning and thorough imaging studies, unforeseen intraoperative surprises can present formidable challenges that demand imme­diate attention and innovative solutions. Surgeons must maintain a high level of vigilance and readi-
T. Rosing and R. Lati
ness to navigate through unanticipated discoveries, ranging from anatomical variations and hidden pathologies to unforeseen complications arising from the patient’s unique physiological response to surgery. These surprises test the surgeon’s expertise, decision- making skills, and the ability to think swiftly and strategically under pressure.
The ability to adeptly handle intraoperative surprises is a hallmark of surgical mastery, signi­fying a surgeon’s capacity to pivot and adjust sur­gical strategies in real time to safeguard patient well-being. Whether encountering unexpected anatomical variations, unforeseen pathology, or unanticipated bleeding, surgeons must demon­strate adaptability, resilience, and quick thinking to ensure optimal outcomes for their patients. The art of surgical decision-making lies not only in meticulous planning and technical prociency but also in the surgeon’s capacity to remain calm, focused, and proactive in the face of unexpected challenges that may arise during the course of a surgical procedure. Embracing these surprises as opportunities for growth and learning, surgeons navigate through uncharted territory with skill and nesse, showcasing the dynamic and ever­evolving nature of the surgical art.
The above case that authors dealt with recently illustrates best such unexpected surprises. The case of the patient with a complex medical history and unfolding obstacles represented major chal­lenges requiring new adaptation, such as small bowel resection, partial open cholecystectomy, initiation of DPR, and revision of the abdominal wound.
In other words, the presented case emphasizes the importance of adaptability and agility in sur­gical decision-making when faced with unknown and unexpected intraoperative ndings. The abil­ity to swiftly adjust the management plan in response to surprises encountered during the sur­gical procedure is crucial in ensuring the best possible outcome for the patient. The multidisci­plinary collaboration and meticulous approach to addressing each unforeseen challenge underscore the complexity inherent in managing acute hernia complications in patients with signicant comor­bidities. This case serves as a poignant example of the intricate and dynamic nature of surgical
11 Surgical Decision-Making in Complex Clinical Scenarios in Abdominal Surgery: A Case-Based…
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decision-making in the face of unexpected clini­cal scenarios, highlighting the critical importance of remaining exible, proactive, and thorough in the pursuit of optimal patient care.
When confronted with the challenging sce­nario of a large bowel being incarcerated in the scrotum, we rmly believe that an emergent exploratory laparotomy is the most prudent approach to ensure optimal patient outcomes. In our case we had to perform both laparotomy and groin incision to facilitate and make possible return of intact sigmoid colon. By opting for a laparotomy, surgeons can safely and effectively reduce the colon intact, with meticulous attention to detail to conrm the absence of ischemic changes and to alleviate any potential vascular compromise. This approach allows for a compre­hensive assessment of the incarcerated bowel segment, facilitating timely intervention and minimizing the risk of complications associated with bowel compromise.
The laparotomy provides a controlled and well-visualized environment for surgeons to meticulously address the unique challenges posed by a large bowel herniating into the scro­tum. By carefully maneuvering and reducing the colon back into the abdominal cavity, surgeons can assess the viability of the bowel, identify any signs of ischemia or necrosis, and intervene promptly to restore optimal blood supply and prevent further damage. The laparotomy approach not only ensures the safe reduction of the herniated bowel but also enables thorough exploration of the entire abdominal cavity to address any underlying pathology or associated complications, promoting a comprehensive and denitive resolution of the complex surgical dilemma.

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Surgical Decision-Making inDamage Control Surgery: ASystem-Based Approach
RifatLati andRubenPeralta
12

Introduction

Damage control concepts and techniques have been part of clinical armamentarium in trauma and emergency surgery for decades. In recent years, the damage control concept has expanded to other surgical disciplines: emergency neuro­surgery, orthopedics, thoracic, vascular, plastic, and other surgical elds. Damage control surgery (DCS) is characterized by abbreviated surgical procedure and termination of the surgical inter­vention once the bleeding and contamination have been controlled followed by continuous resuscitation and denitive management, once the patient’s physiology improves, or when other injuries take priority. It is a staged approach to take in consideration the physiological reserve of the patient, and it is designed to avoid or treat the lethal triad of hypothermia, acidosis, and coagu­lopathy. In addition, most recently, the so-called lethal diamond have been described and include
R. Lati (*) Department of Surgery, The University of Arizona, Tucson, AZ, USA
Tucson Medical Center, Department of Surgery, Tucson, AZ, USA e-mail: Lati@surgery.arizona.edu
R. Peralta Department of Surgery, Trauma Surgery Section, Hamad General Hospital, Doha, Qatar
Universidad Nacional Pedro Henriquez Urena, Santo Domingo, Dominican Republic
trauma induced hypocalcemia along with hypo­thermia, acidosis, and coagulopathy, as an impor­tant post-severe trauma syndrome [1, 2].
By addressing critical issues rst in a staged approach, DCS can improve outcomes and increase the likelihood of successful long-term recovery for patients with life-threatening injuries.
The decision-making process in DCS is com­plex and, however, requires solid knowledge of physiology of the patient as well the associated injuries or comorbid disease. In recent years DCS is being augmented with other procedures such as embolization and temporary mobilization for severe bone fractures, such as pelvis and long bones, and nally, DCS in the abdomen is being subsequently treated with direct peritoneal resus­citation [35].
Traditionally, the common surgical practice included the completion of the operation without many regards of the physiological condition of the patient. This concept, however, has changed dramatically in recent decades. Pioneered by trauma surgeons, where DCS was rst reported, now it has expanded to many more clinical elds and surgical disciplines. Therefore, multiple strategies were developed to avoid this dilemma.
While the damage control surgery (DCS) has become popular in the last few decades, this is not a new concept. Historically the management of devastating abdominal injuries has been docu­mented by the work of others, but the most well­known surgeon is Dr. Pringle, who described the
© The Author(s), under exclusive license to Springer Nature Switzerland AG 2024 R. Lati (ed.), Surgical Decision-Making, https://doi.org/10.1007/978-3-031-67391-7_12
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