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F. M. Carrano et al.
Fig. 4 Management of postoperative CD. AZA azathioprine, 6-MP 6-mercaptopurine, TNF tumor necrosis factor. (Adapted from Sulz etal. [26])
patient should undergo examination of rectum under anesthesia (EUA) followed by adequate drainage of the abscess. In the emergent setting, the only goal should be the adequate drainage of the abscess while avoiding anal sphincter damage. Thus, the search for an underlying stula should be discouraged, as local tissue conditions (induration and sepsis) may easily lead to probing false iatrogenic tracks which will further complicate the complexity of the disease. Only if the stula tract can be
Complicated Inammatory Bowel Disease andColonic Non-diverticular Emergencies
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clearly identied at the time of abscess drainage, a draining seton should be placed [20]. This approach provides the best results, allowing for a precise assessment of the perianal disease, in order to achieve an optimal outcome and avoid irreversible damage due to incomplete or inaccurate intervention. After resolution of the acute phase, both endoscopic ultrasonography-EUS and MRI are useful to accurately classify the disease (low/high stulas, presence of undrained abscess, presence of proctitis), as well as to plan the most suitable treatment and monitor its results [30].
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7 Bowel Obstruction
Bowel obstruction is characterized by nausea, vomiting, a distended abdomen, and absence of gas or stool passage per rectum. Although can occur also in UC patients, bowel obstruction is more frequent among CD patients, that typically undergo sev­eral episodes in their lives secondary to the development of brotic strictures com­bined with inammation ares that acutely reduce the bowel lumen. A contrast CT scan should promptly be obtained. MRI may help in differentiating between a brotic stricture, inammatory stricture, or mixed inammatory and brotic stricture result­ing precious when deciding the most appropriate treatment strategy; however, its use in the emergency setting may be limited outside referral centers. Nasogastric decom­pression, bowel rest, intravenous hydration, and intravenous steroids should be con­sidered in active inammatory disease as primary treatment. However, if there are signs of peritoneal irritation or suspected bowel ischemia, emergency surgery may be indicated, and a resection of the diseased segment should be performed [25, 31]. In cases of partial bowel obstruction nonresponsive to medical therapy, surgery can usu­ally be scheduled after the patient is optimized [31]. If the patient is hemodynami­cally stable, a laparoscopic exploration may be considered as a routine starting point. If intraoperative ndings allow for a safe totally laparoscopic surgery, the patient will have all the benets of such a choice and, if a totally laparoscopic approach may not be possible, patients could benet a lot also from hybrid procedures, in which part of the operation is performed hand-assisted or through a mini-laparotomy [32]. In case of need, there is always room for conversion. This event should not represent a fail­ure for the surgeon in any circumstance and should not discourage from choosing the minimally invasive approach. Even in an emergency setting, proper pre-operative studies and planning are of paramount importance to choose the right intraoperative strategies and avoid unpleasant surprises while operating [32]. In case of patients at high risk of short bowel syndrome due to several previous resections or in case of extensive brostenosing disease, strictureplasty may be a viable solution, with effec­tive and durable long-term results [22]. An alternative to surgery, if there are no signs of bowel ischemia and peritoneal irritation, endoscopic balloon dilation is an effec­tive alternative solution, with short- term success rates of 89–91% [22]. In case of upper abdominal pain, nausea and vomiting, weight loss, diarrhoea, hematemesis. and anemia, a primary CD of the stomach and duodenum should be suspected. The strictures are typically located in the distal stomach and duodenal bulb in 50–60% of patients and are commonly treated by a distal gastrectomy with Roux-en-Y
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reconstruction. Duodenal strictures are best treated with stricturoplasty, as there is no possibility of a blind loop, dumping, or anastomotic ulcerations [31]. For the treat­ment of stenotic segments up to 68 cm, the technique of choice is the Heineke­Mikulicz stricturoplasty, while a Michelassi stricturoplasty should be preferred for multiple and close strictures [25, 31]. In case of large bowel obstructions, especially in UC, high suspicion for malignancy should be raised and, if an emergent colectomy is required, oncologic principles should be followed.
8 Uncontrolled Intestinal Hemorrhage
Gastrointestinal bleeding is a common complication in patients with UC or CD and is caused by inammation/ulceration of the bowel; however, uncontrolled, life­threatening gastrointestinal bleeding occurs in less than 6% of cases [20]. Patients with suspect ongoing bleeding or already with hemodynamic instability should receive immediate uid resuscitation and packed red blood cells transfusions to maintain hemoglobin levels above 7g/dL, or 9g/dL in case of massive bleeding or if cardiovascular comorbidities are present [20].
The causes of bleeding, and related treatment, differ between UC and CD.In UC patients, bleeding is usually caused by large areas of mucosal ulceration and hemor­rhage. When massive bleeding occurs, endoscopic assessment and management of the bleeding source may not be possible, due to the reduced visuals and considering the ulceration extent (Fig.5). In case of ASUC, the bleeding could involve all colonic mucosa and, after ruling out any rectal bleeding source endoscopically, an emergent subtotal colectomy with end ileostomy should be performed [20]. Causes of bleeding in CD patients are more insidious and complex to localize, due to the segmental nature
Fig. 5 Massive bleeding in UC patient requiring multiple blood transfusions without hemody­namic stabilization
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of the disease. Most of the times, bleeding comes from the erosion of an intestinal vessel and, especially in case of massive bleeding, multiple segments of the gastroin­testinal tract could be involved. For this reason, it is of paramount importance to local­ize bleeding sources preoperatively, thus great effort should be given to patient stabilization rst. Subsequently, if an upper GI bleeding is suspect, an esophagogas­troduodenoscopy should be promptly performed (eventually in the operating room if there’s a serious risk that the patient cannot be stabilized for long), otherwise, if a lower GI bleeding is suspect, a complete colonoscopy should be carried out [20]. In case of more subtle or suspect extraluminal bleeding, CT-angiography may be useful as a noninvasive diagnostic tool to identify bleeding at rates of at least 0.3mL/min. In case of failure to detect the active bleeding source, a possible alternative solution is the use of a nuclear medicine labeled red cell scans. Once the bleeding source has been detected, if the patient is hemodynamically stable and a conservative option is feasible (e.g., embolization, endoscopic hemostasis, etc.), it should be the preferred rst treat­ment approach. In case of treatment failure, or in case the patient is unstable even after signicant resuscitation, an open surgical exploration is mandatory [20]. In this sce­nario, there is insufcient evidence to support the laparoscopic approach.
9 Conclusions
Acute surgical emergencies in patients with IBD may be life threatening and carry a high degree of morbidity if not treated promptly in the appropriate way. Most emergencies in patients with CD that are hemodynamically stable, should be ini­tially treated conservatively, and denitive treatment postponed in the elective set­ting after the patient has been optimized, so that the resection would be as minimal as possible. On the contrary, in case of UC complicated patients, surgical treatment should be pursued earlier and with a curative intent. With sufcient expertise, the laparoscopic approach is safe and feasible even in the emergency setting, carrying positive benets for IBD patients. In case of hemodynamic instability and previous history of surgeries with complicated postoperative courses, an open approach would better serve the patient. Regardless of the underlying disease, the manage­ment of surgical emergencies in patients with IBD should be discussed in a multi­disciplinary setting for optimal results.
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12. Pabla BS, Schwartz DA. Assessing severity of disease in patients with ulcerative colitis. Gastroenterol Clin North Am. 2020;49:671–88.
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14. Gupta V, Mohsen W, Chapman TP, Satsangi J.Predicting outcome in acute severe colitis— controversies in clinical practice in 2021. J Crohns Colitis. 2021;15:1211.
15. D’Amico F, Peyrin-Biroulet L, Danese S.Tofacitinib for acute severe colitis: when the going gets tough, the tough get going. J Crohns Colitis. 2020;14:883–5.
16. Chough I, Zaghiyan K, Ovsepyan G, Fleshner P.It is not just cosmesis: straight laparoscopy with stoma site extraction improves outcomes in ulcerative colitis patients undergoing total colectomy. Am Surg. 2019;85:1194–7.
17. Lawday S, Leaning M, Flannery O, Summers S, Antoniou GA, Goodhand J, etal. Rectal stump management in inammatory bowel disease: a cohort study, systematic review and pro­portional analysis of perioperative complications. Tech Coloproctol. 2020;24:671–84.
18. Bedrikovetski S, Dudi-Venkata N, Kroon HM, Liu J, Andrews JM, Lewis M, etal. Systematic review of rectal stump management during and after emergency total colectomy for acute severe ulcerative colitis. ANZ J Surg. 2019;89:1556–60.
19. Wasmann KA, van der Does de Willebois EM, Koens L, Duijvestein M, Bemelman WA, Buskens CJ.The impact of rectal stump inammation after subtotal colectomy on pouch out­comes in ulcerative colitis patients. J Crohns Colitis. 2020;15:299.
20. De Simone B, Davies J, Chouillard E, Di Saverio S, Hoentjen F, Tarasconi A, et al. WSES­AAST guidelines: management of inammatory bowel disease in the emergency setting. World J Emerg Surg. 2021;16:23.
21. Coccolini F, Perrone G, Chiarugi M, Di Marzo F, Ansaloni L, Scandroglio I, etal. Surgery in COVID-19 patients: operational directives. World J Emerg Surg. 2020;15:25.
22. Goldstone RN, Steinhagen RM.Abdominal emergencies in inammatory bowel disease. Surg Clin North Am. 2019;99:1141–50.
23. Gomes CA, Podda M, Veiga SC, do Vale Cabral T, Lima LV, Miron LC, etal. Management of inammatory bowel diseases in urgent and emergency scenario. J Coloproctol. 2021;40: 083–8.
24. DiCaprio D, Lee-Kong S, Stoffels G, Shen B, Al-Mazrou A, Kiran RP, etal. Management of iatrogenic perforation during colonoscopy in ulcerative colitis patients: a survey of gastroen­terologists and colorectal surgeons. Int J Color Dis. 2018;33:1607–16.
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25. Adamina M, Bonovas S, Raine T, Spinelli A, Warusavitarne J, Armuzzi A, et al. ECCO guidelines on therapeutics in Crohn’s disease: surgical treatment. J Crohn’s Colitis. 2020;14: 155–68.
26. Sulz MC, Burri E, Michetti P, Rogler G, Peyrin-Biroulet L, Seibold F, etal. Treatment algo­rithms for Crohn’s disease. Digestion. 2020;101(Suppl 1):43–57.
27. Kristo I, Stift A, Argeny S, Mittlböck M, Riss S. Minimal-invasive approach for penetrat­ing Crohn’s disease is not associated with increased complications. Surg Endosc. 2016;30: 5239–44.
28. Marzo M, Felice C, Pugliese D, Andrisani G, Mocci G, Armuzzi A, etal. Management of perianal stulas in Crohn’s disease: an up-to-date review. World J Gastroenterol. 2015;21: 1394–403.
29. Lewis RT, Bleier JI.Surgical treatment of anorectal Crohn disease. Clin Colon Rectal Surg. 2013;26:90–9.
30. Spinelli A, Armuzzi A, Ciccocioppo R, Danese S, Gionchetti P, Luglio G, etal. Management of patients with complex perianal stulas in Crohn’s disease: optimal patient ow in the Italian clinical reality. Dig Liver Dis. 2020;52:506–15.
31. Bemelman WA, Warusavitarne J, Sampietro GM, Serclova Z, Zmora O, Luglio G, etal. ECCO­ESCP consensus on surgery for Crohn’s disease. J Crohns Colitis. 2018;12:1–16.
32. Spinelli A, Fiorino G, Bazzi P, Sacchi M, Bonifacio C, De Bastiani S, et al. Preoperative magnetic resonance enterography in predicting ndings and optimizing surgical approach in Crohn’s disease. J Gastrointest Surg. 2014;18:83–90; discussion 90–1.
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Gastroduodenal Perforation
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AmitSharma andMansoorAliKhan
1 Introduction
Learning Goals
Be able to readily identify the causes of gastroduodenal perforation
Have the knowledge basis to initiate immediate treatment of gastroduodenal
perforation
Identify the spectrum of treatment modalities available dependent on physi-
ology of the patient
Acute gastroduodenal perforation can either be spontaneous or secondary to trauma. The former is primarily due to underlying peptic ulcer disease. The incidence of peptic ulcer disease has declined over the years due to medical treatment with his­tamine 2 receptor blockers (H2RBs) and proton pump inhibitors (PPI) and, the use of eradication treatment for a Helicobacter pylori (H. pylori) infection [1]. The life­time risk of benign gastroduodenal perforation is 10% in patients with untreated peptic ulcer disease [24]. However, the need for surgical intervention for gastro­duodenal perforation remains stable and may be increasing [3, 4]. This in part related to increasing use of medications such as non-steroidal anti-inammatory drugs (NSAIDs)/aspirin and to the ageing population [1]. Therefore, management of peptic ulcer remains a signicant healthcare issue. Furthermore, iatrogenic duo­denal perforations are becoming more common following the widespread use of endoscopic procedures [1]. Yet there are several controversies regarding evidence­based management for acute gastroduodenal perforations including the role of non­operative management, type of surgical approach, type of repair, and the role of gastric diversion procedures, such as a pyloric exclusion [1, 4].
A. Sharma · M. A. Khan (*) Brighton and Sussex University Hospitals NHS Trust, Brighton, UK e-mail: a.sharma1@nhs.net; mansoorkhan@nhs.net
© The Author(s), under exclusive license to Springer Nature Switzerland AG 2023 F. Coccolini et al. (eds.), Mini-invasive Approach in Acute Care Surgery, Hot Topics in Acute Care Surgery and Trauma,
https://doi.org/10.1007/978-3-031-39001-2_9
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2 Causes ofGastroduodenal Perforation
Peptic ulcer disease accounts for the majority of acute gastroduodenal perforations. Underlying causes of peptic ulcer disease include H. pylori infection, medications (steroids, NSAIDs, and aspirin), and acid hypersecretion. Infection with H. pylori is highly prevalent amongst the patients with peptic ulcer disease. As many as 90–100% of patients with uncomplicated peptic ulcer disease and 65–70% of patients with perforated peptic ulcers are infected with H. pylori [2]. NSAIDs related ulcer perforations occur in 30–50% of patients [24]. Duodenal ulcers are four times more common than gastric ulcers below the age of 40years and are more common in men [2]. The anterior surface of the duodenal bulb is the most common site of disease (60%) followed by the gastric antrum (20%) and the lesser curvature of the stomach (20%) [4]. Benign gastric ulcers occur predominantly on the lesser curve in elderly patients. Ulcers on the greater curve, fundus, and in the antrum are more commonly malignant [2].
Other causes of acute gastroduodenal perforation include malignancy, trauma (blunt or penetrating), foreign body ingestion (by direct trauma or distal luminal obstruction), iatrogenia from endoscopic procedures, marginal ulcer formation fol­lowing bariatric surgery, prolonged fasting, illicit drug consumption, Zollinger­Ellison syndrome, stress ulcers in critically ill patients (Curling’s ulcer), and chemotherapy with angiogenesis inhibitors such as bevacizumab [5, 6]. Blunt trauma accounts for only 5% of hollow viscus perforations. Malignancy causes per­foration by necrosis, or involution response to chemotherapy or due to distal lumi­nal obstruction [3]. Gastric cancers account for 10–16% of perforations [4]. Iatrogenic duodenal perforations with ERCP occur in around 1% patients [1]. Gastric volvulus in setting of large hiatus hernia can cause strangulation and perfo­ration secondary to ischaemia [2].
Duodenal perforations can also occur in people with conditions such as duodenal diverticula, duodenal ischemia, infectious disease, and autoimmune conditions, including Crohn’s disease, scleroderma, and vasculitis (e.g., abdominal polyarteritis nodosa) [1]. Impacted gallstones in the duodenum have also been associated with perforations [1]. Gastroduodenal perforation has also been reported as a complica­tion of a variety of abdominal operations including the commonly performed lapa­roscopic cholecystectomy (0.015%) [1].
3 Presentation andDiagnosis
A diagnosis of gastroduodenal perforation is frequently made based on good clini­cal history and examination. Patients classically present with sudden onset acute upper abdominal pain that commonly radiates to the shoulder due to diaphragmatic irritation from free air or gastric contents. Nausea and vomiting are present in around 50% of patients [7]. Shock is detected in 5–10% of patients [7]. A previous history of peptic ulcer disease is present in 60–70% of patients who present with perforation [8]. Other important risk factors in the medical history include
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gastroesophageal reux disease, use of NSAIDs, smoking, and a recent history of upper GI endoscopy. A recent history of trauma should also be sought from the medical history.
On clinical examination, patients generally show classical signs of peritonitis due to irritation from gastric contents leakage with rigid board-like abdomen sec­ondary to recti muscle spasm. However, only two-thirds of patients present with frank peritonitis which might explain the diagnostic delay in some patients [6]. This can occur when the perforation has managed to conceal or be contained to locally surrounding tissues or into the retroperitoneal space. Examination ndings in the obese, elderly, or immunocompromised patients can also be challengingly non­specic and mild [1, 2]. In addition, if perforation is in the thorax as in the case of strangulated hiatus hernia, then the patient is likely to have chest symptoms and general signs of severe sepsis, with little or no evidence of peritonitis [2].
An upright chest X-ray is the rst choice of investigation to detect pneumoperi­toneum with evidence of air under the diaphragm (Fig.1). However, pneumoperito­neum on the erect chest X-ray is absent in 20–30% of cases [2, 6]. Therefore, a negative erect chest X-ray should prompt further investigations in the form of con­trast enhanced CT scan, which has sensitivity of 98% (Fig.2). Adding water soluble oral contrast enables further assessment of perforation [6]. In addition, CT scan enables assessment of other synchronous intra-abdominal pathologies. Suspicious ndings on CT scan include unexplained intraperitoneal uid, pneumoperitoneum, bowel wall thickening, mesenteric fat stranding, and extravasation of oral contrast.
Fig. 1 Erect chest X-ray showing bilateral air under the diaphragm diagnostic of pneumoperitoneum. (Courtesy of Dr. Kewal Arunkumar Mistry [9])
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ab
Fig. 2 Contrast-enhanced axial images of gastroduodenal perorations. (a) Double contrast- enhanced (intravenous and oral) axial image of upper abdomen. There is evidence of free perihe­patic uid and air. In addition, multiple locules of free gas are seen medial to the gallbladder. (b) Contrast-enhanced axial image of upper abdomen with locules of free air around a thickened gas­troduodenal junction. Image erect chest X-ray showing bilateral air under diaphragm diagnostic of pneumoperitoneum. (Courtesy of Associate Professor Fran Gaillard [10])
Up to 12% of patients with traumatic perforations may have a normal initial CT scan [6]. Although in a patient with penetrating trauma with signs of peritonitis, surgical intervention is the key; and in both blunt and penetrating trauma patients that are clinically stable, trauma CT scanning is the standard of care for diag­nosis [3].
Other markers that help physicians in assessing a patient’s clinical state include leukocytosis, metabolic acidosis, high lactate levels, a negative base excess, and reduced levels of consciousness. There is usually an associated hyperamylasaemia. Patients with reduced GCS may be difcult to assess on examination [3].
4 Management
Delays of greater than 12h result in a three-fold increase in mortality, while delays of 24h are associated with a nine-fold increase.
4.1 Conservative Management
Also known as the Taylor method named after author who proposed this form of management rst in 1946. Approximately half of the perforations spontaneously seal [5]. This occurs with brin, omentum, or by fusion of the duodenum to the underside of the liver between the gallbladder and the falciform ligament [1]. Various retrospective observational studies show variable rate of success in non­operative management of perforated peptic ulcer disease (Table1). However, there is a high degree of heterogeneity in methodology and selection bias in these reports.