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RISS 인기검색어
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- 저자 : John Keech (검색결과 3 건)
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Role of Barium Swallow in Diagnosing Clinically Significant Anastomotic Leak following Esophagectomy
Simon Roh,Mark D. Iannettoni,John C. Keech,Mohammad Bashir,Peter J. Gruber,Kalpaj R. Parekh 대한흉부외과학회 2016 Journal of Chest Surgery (J Chest Surg) Vol.49 No.2
Background: Barium swallow is performed following esophagectomy to evaluate the anastomosis for detection of leaks and to assess the emptying of the gastric conduit. The aim of this study was to evaluate the reliability of the barium swallow study in diagnosing anastomotic leaks following esophagectomy. Methods: Patients who underwent esophagectomy from January 2000 to December 2013 at our institution were investigated. Barium swallow was routinely done between days 5–7 to detect a leak. These results were compared to clinically determined leaks (defined by neck wound infection requiring jejunal feeds and or parenteral nutrition) during the postoperative period. The sensitivity and specificity of barium swallow in diagnosing clinically significant anastomotic leaks was determined. Results: A total of 395 esophagectomies were performed (mean age, 62.2 years). The indications for the esophagectomy were as follows: malignancy (n=320), high-grade dysplasia (n=14), perforation (n=27), benign stricture (n=7), achalasia (n=16), and other (n=11). A variety of techniques were used including transhiatal (n=351), McKeown (n=35), and Ivor Lewis (n=9) esophagectomies. Operative mortality was 2.8% (n=11). Three hundred and sixty-eight patients (93%) underwent barium swallow study after esophagectomy. Clinically significant anastomotic leak was identified in 36 patients (9.8%). Barium swallow was able to detect only 13/36 clinically significant leaks. The sensitivity of the swallow in diagnosing a leak was 36% and specificity was 97%. The positive and negative predictive values of barium swallow study in detecting leaks were 59% and 93%, respectively. Conclusion: Barium swallow is an insensitive but specific test for detecting leaks at the cervical anastomotic site after esophagectomy.
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Simon Roh,Mark D. Iannettoni,John Keech,Evgeny V. Arshava,Anthony Swatek,Miriam B. Zimmerman,Ronald J. Weigel,Kalpaj R. Parekh 대한흉부외과학회 2019 Journal of Chest Surgery (J Chest Surg) Vol.52 No.1
Background: Neoadjuvant chemoradiation therapy (nCRT) has become the standard of care for esophageal cancer patients prior to esophagectomy. However, the optimal timing for surgery after completion of nCRT remains unclear. Methods: A retrospective review was performed of patients who underwent esophagectomy with cervical anastomosis for esophageal cancer at a single institution between January 2000 and June 2015. Patients were categorized into 3 cohorts: those who did not receive nCRT prior to esophagectomy (no nCRT), those who underwent esophagectomy within 35 days after nCRT (≤35d), and those who underwent esophagectomy more than 35 days after nCRT (>35d). Results: A total of 366 esophagectomies were performed during the study period, and 348 patients met the inclusion criteria. Anastomotic leaks occurred in 11.8% of all patients included in the study (41 of 348). Within each cohort, anastomotic leaks were detected in 14.7% of patients (17 of 116) in the no nCRT cohort, 7.3% (13 of 177) in the ≤35d cohort, and 20.0% (11 of 55) in the >35d cohort (p=0.020). Significant differences in the occurrence of anastomotic leaks were observed between the no nCRT and ≤35d cohorts (p=0.044), and between the ≤35d and >35d cohorts (p=0.007). Conclusion: Esophagectomy with cervical anastomosis within 35 days of nCRT resulted in a lower percentage of anastomotic leaks.
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Maen Masadeh,Peter Nau,Subhash Chandra,Jagpal Klair,John Keech,Kalpaj Parekh,Rami El Abiad,Henning Gerke 대한소화기내시경학회 2020 Clinical Endoscopy Vol.53 No.3
Background/Aims: Peroral endoscopic myotomy (POEM) is a novel procedure for the treatment of achalasia and spastic esophagealdisorders. Experience with POEM is limited, but its reported outcomes are excellent. It is deemed safe even for patients with priorinterventions. Methods: This retrospective review included patients who underwent POEM at a tertiary US center. POEM was performed in amultidisciplinary approach by advanced endoscopists and foregut surgeons. Clinical success was defined as a post-POEM Eckardt score ≤3. Results: A total of 125 patients were included. Median follow-up period was 18 months (interquartile range, 10–22 months). Clinicalsuccess was achieved in 92% of patients and persisted at 12 months in 88% of patients. Mucosal barrier failure (MBF) occurred in7 patients, 2 of whom required surgical intervention. MBF was more common in patients with prior laparoscopic Heller myotomy (19%vs. 3%, p=0.015). MBF requiring surgical intervention occurred early in the learning curve. Conclusions: POEM is safe and effective in the treatment of achalasia and spastic esophageal disorders even after failed priorinterventions.
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