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Kardiochirurgia i Torakochirurgia Polska/Polish Journal of Thoracic and Cardiovascular Surgery
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vol. 14
 
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Hiatal hernia after esophagectomy – a report of two cases

Bogumił Maciąg
,
Janusz Wójcik
,
Jarosław Pieróg
,
Norbert Wójcik
,
Karina Witkiewicz
,
Tomasz Grodzki

Kardiochirurgia i Torakochirurgia Polska 2017; 14 (1): 50-51
Online publish date: 2017/03/31
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Introduction

Complications after esophagectomy occur in up to 40% of cases [1, 2]. Pneumonia, respiratory failure, and anastomotic leaks are the most common early complications in the first postoperative week. The most common late complication, usually developing after several weeks or months, is anastomotic stenosis [1–3]. Hiatal hernia after esophagectomy occurs in both the early and late postoperative period with a frequency of 0.4–6% [1–5]. This complication was found in 2 (0.78%) cases in our material.

Case reports

Case 1

A 34-year-old woman was admitted with squamous cell cancer of the cervical esophagus. She underwent total hybrid McKeown resection of the esophagus (VATS with laparotomy and cervicotomy) with pharyngogastric anastomosis as well as microjejunostomy, pyloromyoplasty, the Kocher maneuver, and three-field lymphadenectomy. Stage IA (pT1aN0Mo) was confirmed by postoperative specimen examination. Tachycardia (100/min) was observed between the 4th and 7th postoperative day. Oral contrast X-ray examination revealed stenosis of the pylorus at the level of the hiatus (Figs. 1 A–D). The pylorus was compressed by the malpositioned colon. A decision was made to perform a reoperation, which included colon repositioning, hiatal plasty, and right hemicolectomy due to ischemia and necrosis. The postoperative period was complicated by peritonitis, which was successfully treated with peritoneal lavage.

Case 2

The 32-year-old patient was admitted to our department with a diagnosis of adenocarcinoma between the middle and the lower thirds of the esophagus. Subtotal minimally invasive esophagectomy (laparoscopy with VATS and cervicotomy) and two-field lymphadenectomy were performed. Stage IB (pT2N0M0) was confirmed by postoperative specimen evaluation. The postoperative course was uneventful. The patient complained of chest pain 1 year after the surgery. The symptom occurred in the supine position and resolved upon standing. Compression of the stomach graft by the colon protruding into the mediastinum through the esophageal hiatus was confirmed with computed tomography (Figs. 2 A–D). A decision was made to perform a reoperation using a laparotomy approach; the displaced colon was repositioned, plasty of the hiatus was performed, and the colonic mesentery was stabilized. The postoperative course was uneventful.

Discussion

By 2011, 82 cases of postesophagectomy hiatal hernia had been described in the literature [1]. Reports of 108 postoperative hiatal hernias, including the cases described by the present authors, have been found in the database so far [3, 4, 6–10]. The colon, small intestine, omentum, and even spleen can be found in postoperative hiatal hernias [1, 5, 6, 8, 10]. The most dramatic cases involving strangulation followed by ischemia of the colon or small intestine required additional resection [1, 5, 7, 10]. This situation took place in the first reported case. The risk factors for the development of hiatal hernia include intraperitoneal pressure exceeding thoracic pressure and distension of the esophageal hiatus [1, 4, 5, 7, 10]. Postoperative hiatal hernias occur more often after minimally invasive (2.7–26%) or robotic (up to 19.4%) esophagectomy than after conventional procedures because of the surgical technique [1, 3, 6, 7, 9]. In both presented cases, the displaced organ was the transverse colon. In our opinion, the transverse colon is more susceptible to displacement when freed during the skeletonization of the greater gastric curvature, Kocher’s maneuver, and potential omentectomy than intestinal loops stabilized by microjejunostomy. Intraoperative plasty of the esophageal hiatus or mesh implantation is recommended in order to prevent postesophagectomy hiatal hernia [4, 5, 7]. The clinical courses of the complications presented herein were different. Moreover, the two cases differed with regard to the technical details of the operations, making it difficult to determine the main cause of colonic displacement. The most likely reason seemed to be the relatively long mesentery of the colon and the associated joint traction of the graft and the colonic mesentery into the mediastinum. The treatment of choice in such cases is surgical intervention. The abdominal approach is preferred, with a growing frequency of laparoscopy [1, 3, 5, 6, 9]. In the event of technical difficulties, additional thoracic access or even typical posterolateral thoracotomy may be required [8].

Disclosure

Authors report no conflict of interest.

References

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Copyright: © 2017 Polish Society of Cardiothoracic Surgeons (Polskie Towarzystwo KardioTorakochirurgów) and the editors of the Polish Journal of Cardio-Thoracic Surgery (Kardiochirurgia i Torakochirurgia Polska). This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) License (http://creativecommons.org/licenses/by-nc-sa/4.0/), allowing third parties to copy and redistribute the material in any medium or format and to remix, transform, and build upon the material, provided the original work is properly cited and states its license.
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