OBJECTIVES: To compare the incidence of post-operative hiatal herniation after open and minimally invasive Ivor Lewis McKeown esophagectomy for malignant disease. METHODS: All patients undergoing esophageal resection were entered into a prospectively maintained database. After Institutional Review Board approval, the database was queried to identify patients who underwent minimally invasive (MIE) and open transthoracic (TTE) Ivor Lewis McKeown esophagectomy (transthoracic three-hole) with gastric pull-up for malignant disease. The cohorts were compared for the incidence of hiatal hernia on routine CT scan for cancer surveillance. Data up to 24 months post-operatively was included. Patients undergoing trans-hiatal or hybrid procedures as well as intra-thoracic anastomosis were excluded as were patients in whom jejunum or colon was used for reconstruction. RESULTS: Between 2003 and 2009, 19 MIEs and 20 open TTEs met the inclusion criteria. There was no significant difference in age, co-morbidity, pathology or perioperative morbidity and mortality between the two groups. During routine follow-up, para-gastric hiatal hernia was noted on CT scan in 5(26%) patients following MIE at a mean of 13.8 months postoperatively, with incidence ranging from 3 to 20 months postoperatively (19, 20, 18, 3, and 9 months, respectively). Hernia contents in these patients were omentum in one case and colon in the other four cases. None of the patients undergoing TTE were noted to have herniation (P = 0.01). All hernias were asymptomatic; three were repaired electively. CONCLUSIONS: There was a significantly higher incidence of para-gastric hiatal hernia after Ivor Lewis McKeown minimally invasive esophagectomy compared to similar open procedures. Additional precautions to prevent para-gastric hernia should be taken during laparoscopic resection.
OBJECTIVES: To compare the incidence of post-operative hiatal herniation after open and minimally invasive Ivor Lewis McKeown esophagectomy for malignant disease. METHODS: All patients undergoing esophageal resection were entered into a prospectively maintained database. After Institutional Review Board approval, the database was queried to identify patients who underwent minimally invasive (MIE) and open transthoracic (TTE) Ivor Lewis McKeown esophagectomy (transthoracic three-hole) with gastric pull-up for malignant disease. The cohorts were compared for the incidence of hiatal hernia on routine CT scan for cancer surveillance. Data up to 24 months post-operatively was included. Patients undergoing trans-hiatal or hybrid procedures as well as intra-thoracic anastomosis were excluded as were patients in whom jejunum or colon was used for reconstruction. RESULTS: Between 2003 and 2009, 19 MIEs and 20 open TTEs met the inclusion criteria. There was no significant difference in age, co-morbidity, pathology or perioperative morbidity and mortality between the two groups. During routine follow-up, para-gastric hiatal hernia was noted on CT scan in 5(26%) patients following MIE at a mean of 13.8 months postoperatively, with incidence ranging from 3 to 20 months postoperatively (19, 20, 18, 3, and 9 months, respectively). Hernia contents in these patients were omentum in one case and colon in the other four cases. None of the patients undergoing TTE were noted to have herniation (P = 0.01). All hernias were asymptomatic; three were repaired electively. CONCLUSIONS: There was a significantly higher incidence of para-gastric hiatal hernia after Ivor Lewis McKeown minimally invasive esophagectomy compared to similar open procedures. Additional precautions to prevent para-gastric hernia should be taken during laparoscopic resection.
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