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Nampoolsuksan C, Akaraviputh T, Methasate A, Swangsri J, Trakarnsanga A, Phalanusitthepha C, Parakonthun T, Taweerutchana V, Srisuworanan N, Suwatthanarak T, Tawantanakorn T, Lohsiriwat V, Chinswangwatanakul V. Aerosol protection using modified N95 respirator during upper gastrointestinal endoscopy: a randomized controlled trial. Clin Endosc 2023:ce.2023.018. [PMID: 37430403 DOI: 10.5946/ce.2023.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Accepted: 02/22/2023] [Indexed: 07/12/2023] Open
Abstract
Background/Aims The coronavirus disease 2019 pandemic has affected the worldwide practice of upper gastrointestinal endoscopy. Here we designed a modified N95 respirator with a channel for endoscope insertion and evaluated its efficacy in upper gastrointestinal endoscopy. Methods Thirty patients scheduled for upper gastrointestinal endoscopy were randomized into the modified N95 (n=15) or control (n=15) group. The mask was placed on the patient after anesthesia administration and particles were counted every minute before (baseline) and during the procedure by a TSI AeroTrak particle counter (9306-04; TSI Inc.) and categorized by size (0.3, 0.5, 1, 3, 5, and 10 µm). Differences in particle counts between time points were recorded. Results During the procedure, the modified N95 group displayed significantly smaller overall particle sizes than the control group (median [interquartile range], 231 [54-385] vs. 579 [213-1,379]×103/m3; p=0.056). However, the intervention group had a significant decrease in 0.3-µm particles (68 [-25-185] vs. 242 [72-588]×103/m3; p=0.045). No adverse events occurred in either group. The device did not cause any inconvenience to the endoscopists or patients. Conclusions This modified N95 respirator reduced the number of particles, especially 0.3-µm particles, generated during upper gastrointestinal endoscopy.
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Affiliation(s)
- Chawisa Nampoolsuksan
- Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Thawatchai Akaraviputh
- Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Asada Methasate
- Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Jirawat Swangsri
- Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Atthaphorn Trakarnsanga
- Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | | | - Thammawat Parakonthun
- Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Voraboot Taweerutchana
- Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Nicha Srisuworanan
- Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Tharathorn Suwatthanarak
- Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | | | - Varut Lohsiriwat
- Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
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Tawantanakorn T, Akaraviputh T, Chinswangwatanakul V, Ithimakin S, Petsuksiri J, Trakarnsanga A. Pathological and Oncologic Outcomes of Consolidation Chemotherapy in Locally Advanced Rectal Cancer after Neoadjuvant Chemoradiation. Siriraj Med J 2023. [DOI: 10.33192/smj.v75i4.261259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023] Open
Abstract
Objective: The current standard of care for locally advanced rectal cancer is associated with multimodality therapy. Neoadjuvant chemoradiation significantly decreased the locoregional recurrence rate and improved survival. However, distant metastasis develops rather than local recurrence, which becomes the leading cause of death. This study aimed to evaluate the oncological outcomes of total neoadjuvant therapy (TNT) in locally advanced rectal cancer.
Materials and Methods: This retrospective study recruited 18 patients diagnosed with locally advanced rectal adenocarcinoma (cT3-4 or cN1-2), treated with consolidation TNT. The primary endpoint was pathological complete response (pCR). The secondary endpoint included postoperative outcomes, local recurrences, and distant metastases.
Results: The pathologic complete response was observed in 27.8% of consolidation therapy cases. Downstaging of the T-category was achieved in 10 (55.6%) patients, and downstaging of the N-category was achieved in 14 (77.8%) patients. Only one patient who achieved pCR developed distant metastasis, whereas all patients with pathological stage III developed distant metastasis.
Conclusions: TNT is a promising approach for patients with locally advanced rectal cancer. This strategy improved complete pathologic response rates in TNT, and pCR was found to be associated with fewer local recurrences and greater disease-free survival.
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Tawantanakorn T, Phibalyart W, Parakonthun T, Nampoolsuksan C, Suwatthanarak T, Srisuworanan N, Taweerutchana V, Trakarnsanga A, Phalanusitthepha C, Swangsri J, Methasate A, Akaraviputh T, Chinswangwatanakul V. Changes in Physical Components after Gastrectomy for Adenocarcinoma of Stomach and Esophagogastric Junction. Siriraj Med J 2023. [DOI: 10.33192/smj.v75i4.260962] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023] Open
Abstract
Objective: Enhanced Recovery After Surgery (ERAS) is a multidisciplinary approach that aims to optimize perioperative management, promote postoperative recovery, reduce postoperative complications, and improve long-term survival. The current study aimed to evaluate and compare the postoperative physical activity after gastrectomy between patients who underwent upper gastrointestinal surgery according to ERAS and those who underwent surgery based on the conventional care (CC) protocol.
Materials and Methods: This prospective and retrospective review enrolled 60 patients (n = 31, ERAS group; n = 29, CC protocol group) diagnosed with adenocarcinoma of the stomach and esophagogastric junction who underwent curative surgical resection. Physical outcomes, including body weight, body mass index, body fat percentage, basal metabolic rate, muscle mass, gait speed, and handgrip strength at the preoperative and immediate postoperative periods and at 1, 3, and 6 months postoperatively, were comparedbetween the ERAS and CC protocol groups.
Results: One month after surgery, the ERAS group had a lower percentage of body weight loss than the CC protocol group. There was no significant difference in terms of muscle mass loss between the two groups. The hand grip strength of the ERAS group increased after surgery. Further, at 1 month postoperatively, the gait speed of patients who underwent total gastrectomy in the ERAS group was significantly higher than that of patients in the CC protocol group.
Conclusion: ERAS for gastrectomy was associated with a lower percentage of weight loss and a trend toward physical activity enhancement in the early postoperative period.
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Krittiyanitsakun S, Nampoolsuksan C, Tawantanakorn T, Suwatthanarak T, Srisuworanan N, Taweerutchana V, Parakonthun T, Phalanusitthepha C, Swangsri J, Akaraviputh T, Methasate A, Chinswangwatanakul V, Trakarnsanga A. Is fascial closure required for a 12-mm trocar? A comparative study on trocar site hernia with long-term follow up. World J Clin Cases 2023; 11:357-365. [PMID: 36686347 PMCID: PMC9850963 DOI: 10.12998/wjcc.v11.i2.357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 11/06/2022] [Accepted: 01/05/2023] [Indexed: 01/12/2023] Open
Abstract
BACKGROUND Despite the infrequency of trocar site hernias (TSHs), fascial closure continues to be recommended for their prevention when using a ≥ 10-mm trocar.
AIM To identify the necessity of fascial closure for a 12-mm nonbladed trocar incision in minimally invasive colorectal surgeries.
METHODS Between July 2010 and December 2018, all patients who underwent minimally invasive colorectal surgery at the Minimally Invasive Surgery Unit of Siriraj Hospital were retrospectively reviewed. All patients underwent cross-sectional imaging for TSH assessment. Clinicopathological characteristics were recorded. Incidence rates of TSH and postoperative results were analyzed.
RESULTS Of the 254 patients included, 70 (111 ports) were in the fascial closure (closed) group and 184 (279 ports) were in the nonfascial closure (open) group. The median follow up duration was 43 mo. During follow up, three patients in the open group developed TSHs, whereas none in the closed group developed the condition (1.1% vs 0%, P = 0.561). All TSHs occurred in the right lower abdomen. Patients whose drains were placed through the same incision had higher rates of TSHs compared with those without the drain. The open group had a significantly shorter operative time and lower blood loss than the closed group.
CONCLUSION Routine performance of fascial closure when using a 12-mm nonbladed trocar may not be needed. However, further prospective studies with cross-sectional imaging follow-up and larger sample size are needed to confirm this finding.
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Affiliation(s)
- Santi Krittiyanitsakun
- Minimally Invasive Surgery Unit, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Chawisa Nampoolsuksan
- Minimally Invasive Surgery Unit, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Thikhamporn Tawantanakorn
- Minimally Invasive Surgery Unit, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Tharathorn Suwatthanarak
- Minimally Invasive Surgery Unit, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Nicha Srisuworanan
- Minimally Invasive Surgery Unit, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Voraboot Taweerutchana
- Minimally Invasive Surgery Unit, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Thammawat Parakonthun
- Minimally Invasive Surgery Unit, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Chainarong Phalanusitthepha
- Minimally Invasive Surgery Unit, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Jirawat Swangsri
- Minimally Invasive Surgery Unit, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Thawatchai Akaraviputh
- Minimally Invasive Surgery Unit, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Asada Methasate
- Minimally Invasive Surgery Unit, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Vitoon Chinswangwatanakul
- Minimally Invasive Surgery Unit, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Atthaphorn Trakarnsanga
- Minimally Invasive Surgery Unit, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
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Srisuworanan N, Suwatthanarak T, Chinswangwatanakul V, Methasate A, Akaraviputh T, Swangsri J, Trakarnsanga A, Phalanusitthepha C, Parakonthun T, Tawantanakorn T, Nimmanwudipong T, Wang H, Taweerutchana V. Surgical Outcomes of Bariatric Surgery in Siriraj Hospital for the First 100 Morbidly Obese Patients Treated. Siriraj Med J 2022. [DOI: 10.33192/smj.2022.91] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Objective: Bariatric surgery is considered the most effective treatment for morbid obesity, and is increasingly performed in Thailand and globally. We aimed to establish the outcomes of bariatric surgery performed at Siriraj Hospital, Bangkok.
Materials and Methods: This was a retrospective study of patients who underwent bariatric surgery between January 2012 and June 2016.
Results: The records of the first 100 patients who underwent bariatric surgery were reviewed, comprising 58 patients who underwent laparoscopic sleeve gastrectomy (LSG) and 42 patients who underwent laparoscopic Roux-en-Y gastric bypass (LRYGB). The median patient age, preoperative body weight, and BMI were 36 years old, 129 kg, and 46.3 kg/m2. All the procedures were performed by a laparoscopic approach. The median operative times for LSG and LRYGB were 156 [85-435] and 265 [180-435] minutes. The median hospital stay was 3 days [3-14]. The major complication rate was 4%. There was no mortality in the 30-day postoperative period. The mean %excess weight loss (%EWL) of LSG was 56.8 ± 19.8%, 59.9 ± 21.7%, and 55.1 ± 21.3%, at 1, 2, and 3 years after surgery. The mean %EWL of LRYGB was 67 ± 18.3%, 66.2 ± 21.4%, and 63.6 ± 19.9%, at 1, 2, and 3 years after surgery. In the patients with type-II diabetes mellitus, 67% had complete diabetic remission at 1 year. The median FBS dropped from 127 to 99 mg/dL (p < 0.001) and HbA1c from 6.6% to 5.5% (p < 0.001). The remission rates of hypertension and dyslipidemia were 58% and 73%.
Conclusion: The bariatric procedures are safe with a low complication rate. The procedures also provide good outcomes in postoperative weight loss and comorbidity resolution.
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Nampoolsuksan C, Chinswangwatanakul V, Methasate A, Swangsri J, Trakarnsanga A, Phalanusitthepha C, Parakonthun T, Taweerutchana V, Srisuworanan N, Suwatthanarak T, Tawantanakorn T, Akaraviputh T. Management of aerosol generation during upper gastrointestinal endoscopy. Clin Endosc 2022; 55:588-593. [PMID: 35999697 PMCID: PMC9539303 DOI: 10.5946/ce.2022.062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Accepted: 03/07/2022] [Indexed: 11/17/2022] Open
Abstract
In the highly contagious coronavirus disease 2019 pandemic, aerosol-generating procedures (AGPs) are associated with high-risk of transmission. Upper gastrointestinal endoscopy is a procedure with the potential to cause dissemination of bodily fluids. At present, there is no consensus that endoscopy is defined as an AGP. This review discusses the current evidence on this topic with additional management. Prevailing publications on coronavirus related to upper gastrointestinal endoscopy and aerosolization from the PubMed and Scopus databases were searched and reviewed. Comparative quantitative analyses showed a significant elevation of particle numbers, implying that aerosols were generated by upper gastrointestinal endoscopy. The associated source events have also been reported. To reduce the dispersion, certain protective measures have been developed. Endoscopic unit protocols are recommended for the concerned personnel. Therefore, upper gastrointestinal endoscopy should be classified as an AGP. Proper practices should be adopted by healthcare workers and patients.
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Affiliation(s)
- Chawisa Nampoolsuksan
- Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | | | - Asada Methasate
- Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Jirawat Swangsri
- Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Atthaphorn Trakarnsanga
- Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | | | - Thammawat Parakonthun
- Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Voraboot Taweerutchana
- Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Nicha Srisuworanan
- Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Tharathorn Suwatthanarak
- Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | | | - Thawatchai Akaraviputh
- Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
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Suwatthanarak T, Akaraviputh T, Phalanusitthepha C, Chinswangwatanakul V, Methasate A, Swangsri J, Trakarnsanga A, Parakonthun T, Taweerutchana V, Srisuworanan N. Outcomes of Laparoscopic Common Bile Duct Exploration by Chopstick Technique in Choledocholithiasis. JSLS 2021; 25:JSLS.2021.00008. [PMID: 34248338 PMCID: PMC8245271 DOI: 10.4293/jsls.2021.00008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Background and Objectives Laparoscopic cholecystectomy with common bile duct exploration (LC with LCBDE) remains the preferred technique for difficult common bile duct stone (CBDS) removal. The chopstick method uses commonly available instruments and may be cost-saving compared to other techniques. We studied the outcome of LCBDE using the chopstick technique to determine if it could be considered a first-choice method. Methods Data from all patients that underwent LCBDE from January 1, 2012 to April 30, 2019 were retrospectively analyzed. A standard 4-port incision and CBDS permitted extraction with two laparoscopic instruments by chopstick technique via vertical choledochotomy. Demographic data, stone clearance rate, surgical outcomes, complications, and other associated factors were evaluated. Results Thirty-two patients underwent LCBDE. The mean number of preoperative endoscopic retrograde cholangiopancreatography (ERCP) sessions was 2.4. In 65.5% of cases, the CBDS was completely removed by the chopstick technique, while 96.9% of stones were removed after using additional tools. The need for additional instruments was associated with increased age, increased numbers of stones, longer period from the latest ERCP session, and previous upper abdominal surgery. The conversion rate to open surgery was 28.1% and was significantly associated with a history of upper abdominal surgery. Conclusion The chopstick technique is a good alternative and could be considered as a first-line technique in LCBDE to remove the CBDS in cases with 1 to 2 large suprapancreatic CBDS due to instrument availability, cost-effectiveness, and comparable surgical outcomes.
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Affiliation(s)
- Tharathorn Suwatthanarak
- Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Thawatchai Akaraviputh
- Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | | | | | - Asada Methasate
- Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Jirawat Swangsri
- Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Atthaphorn Trakarnsanga
- Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Thammawat Parakonthun
- Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Voraboot Taweerutchana
- Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Nicha Srisuworanan
- Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand (All authors)
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Akaraviputh T. Annual Report’s SMJ-2020. Smj 2021. [DOI: 10.33192/smj.2020.xx] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
No Abstract
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Timudom K, Akaraviputh T, Chinswangwatanakul V, Pongpaibul A, Korpraphong P, Petsuksiri J, Ithimakin S, Trakarnsanga A. Predictive significance of cancer related-inflammatory markers in locally advanced rectal cancer. World J Gastrointest Surg 2020; 12:390-396. [PMID: 33024513 PMCID: PMC7520570 DOI: 10.4240/wjgs.v12.i9.390] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Revised: 05/11/2020] [Accepted: 08/16/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Locally advanced rectal cancer is treated using neoadjuvant chemoradiation (nCRT), followed by total mesorectal excision (TME). Tumor regression and pathological post-treatment stage are prognostic for oncological outcomes. There is a significant correlation between markers representing cancer-related inflammation, including high neutrophil-to-lymphocyte ratio (NLR), monocyte-to-lymphocyte ratio (MLR), and platelet-to-lymphocyte ratio (PLR) and unfavorable oncological outcomes. However, the predictive role of these markers on the effect of chemoradiation is unknown.
AIM To evaluate the predictive roles of NLR, MLR, and PLR in patients with locally advanced rectal cancer receiving neoadjuvant chemoradiation.
METHODS Patients (n = 111) with locally advanced rectal cancer who underwent nCRT followed by TME at the Minimally Invasive Surgery Unit, Siriraj Hospital between 2012 and 2018 were retrospectively analyzed. The associations between post-treatment pathological stages, neoadjuvant rectal (NAR) score and the pretreatment ratios of markers of inflammation (NLR, MLR, and PLR) were analyzed.
RESULTS Clinical stages determined using computed tomography, magnetic resonance imaging, or both were T4 (n = 16), T3 (n = 94), and T2 (n = 1). The NAR scores were categorized as high (score > 16) in 23.4%, intermediate (score 8-16) in 41.4%, and low (score < 8) in 35.2%. The mean values of the NLR, PLR, and MLR correlated with pathological tumor staging (ypT) and the NAR score. The values of NLR, PLR and MLR were higher in patients with advanced pathological stage and high NAR scores, but not statistically significant.
CONCLUSION In patients with locally advanced rectal cancer, pretreatment NLR, MLR and PLR are higher in those with advanced pathological stage but the differences are not significantly different.
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Affiliation(s)
- Kitinat Timudom
- Department of Surgery, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Thawatchai Akaraviputh
- Department of Surgery, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Vitoon Chinswangwatanakul
- Department of Surgery, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Ananya Pongpaibul
- Department of Pathology, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Pornpim Korpraphong
- Department of Radiology, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Janjira Petsuksiri
- Department of Radiology, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Suthinee Ithimakin
- Department of Medicine, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Atthaphorn Trakarnsanga
- Department of Surgery, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
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Tuvayanon W, Silchai P, Sirivatanauksorn Y, Visavajarn P, Pungdok J, Tonklai S, Akaraviputh T. Randomized controlled trial comparing the effects of usual gas release, active aspiration, and passive-valve release on abdominal distension in patients who have undergone laparoscopic cholecystectomy. Asian J Endosc Surg 2018; 11:212-219. [PMID: 29266752 DOI: 10.1111/ases.12451] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Revised: 10/18/2017] [Accepted: 11/14/2017] [Indexed: 12/11/2022]
Abstract
INTRODUCTION Residual, intra-abdominal CO2 contributes to abdominal distension and pain after laparoscopic surgery. The study was designed to assess recovery after gas release in patients who have undergone laparoscopic cholecystectomy (LC). METHODS A total of 142 patients undergoing laparoscopic cholecystectomy were randomly divided into three groups: (i) group 1 (control group), gas release from the surgical wound without port release (n = 47); (ii) group 2, active gas aspiration via a subdiaphragmatic port (n = 48); and (iii) group 3, passive-valve release via a subdiaphragmatic port valve opening (n = 47). Abdominal distension and shoulder pain levels were assessed postoperatively. RESULTS The active aspiration group had significantly reduced postoperative abdominal distensions at 30 min, 4, and 24 h compared with the control group (50.0% vs 80.9%, 43.8% vs 76.6%, 33.3% vs 57.4%, respectively; P < 0.05). Similarly, the passive-valve release group had significantly reduced postoperative abdominal distensions at 4 and 24 h compared with the control group (51.1% vs 76.6%, 57.4% vs 36.2%; P < 0.05). Both intervention groups had significantly reduced postoperative shoulder pain at 4 and 24 h compared with the control group (P < 0.001). In addition, the postoperative ambulation times for the active aspiration group were significantly shorter than those for the control and passive-valve release groups (P < 0.001). CONCLUSION Releasing residual CO2 from the intra-abdominal cavity at the end of laparoscopic cholecystectomy by either the active aspiration or passive-valve release technique is an effective way to reduce postoperative abdominal distension and shoulder pain.
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Affiliation(s)
- Warisara Tuvayanon
- Division of Nursing, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Potchanee Silchai
- Division of Nursing, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Yongyut Sirivatanauksorn
- Division of General Surgery, Department of Surgery Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Porntita Visavajarn
- Division of Nursing, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Jaruwan Pungdok
- Division of Nursing, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Sununtha Tonklai
- Division of Nursing, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Thawatchai Akaraviputh
- Division of General Surgery, Department of Surgery Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand
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Phothong N, Swangsri J, Akaraviputh T, Chinswangwatanakul V, Trakarnsanga A. Colonic stenting for malignant colonic obstruction with pneumatosis intestinalis: A case report. Int J Surg Case Rep 2016; 26:38-41. [PMID: 27448227 PMCID: PMC4957606 DOI: 10.1016/j.ijscr.2016.07.012] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2016] [Revised: 06/24/2016] [Accepted: 07/06/2016] [Indexed: 02/07/2023] Open
Abstract
Pneumatosis intestinalis is characterized by the presence of air localizing in the submucosa and subserosa layers of the bowel wall. Because of its risk of impending perforation, emergency surgery is generally required to be a definite treatment. Colonic stenting can be used as a safe alternative procedure in the selected patient.
Introduction Pneumatosis intestinalis is one of serious conditions following mechanical bowel obstruction. Emergency surgery is generally required to be a definite treatment in these patients of pneumatosis intestinalis, because of its risk of bowel ischemia and perforation. Since the operation in unprepared colon usually resulted in unfavorable outcome, the use of colonic stent is considered one of potential options as a bridge to definitive surgery. Presently, there is no widely published report of using colonic stent in these patients, particularly for stepping to curative surgery. Therefore, we herein report a case of obstructing sigmoid cancer with pneumatosis intestinalis who underwent successfully emergency metallic stent placement to convert from emergency to elective surgery. Presentation of case A 50-year-old woman presented with 3-day history of abdominal pain and obstipation. Abdominal computed tomography demonstrated a short segment of circumferential luminal narrowing at sigmoid colon, the presence of pneumatosis intestinalis at cecum, including ascending colon, and no extraluminal air. We performed colonoscopy and placed the metallic stent. The patient was then improved. After 1 week, the patient underwent elective hand-assisted laparoscopic sigmoidectomy and was discharged 5 days later. Pathological report showed stage IIa sigmoid cancer. The patient had no local recurrence or distant metastasis in 1 year follow up. Conclusion In obstructing colonic patient with pneumatosis intestinalis, nonsurgical treatment by colonic stenting can be used in selected patient as a bridge to definitive surgery. This will result in decreased morbidity and mortality and lower rate of stoma formation.
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Affiliation(s)
- Natthawut Phothong
- Minimally Invasive Unit, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkoknoi, Bangkok, 10700, Thailand; Department of Surgery, Panyananthaphikkhu Chonprathan Medical Center, Srinakharinwirot University, Pak Kret, Nonthaburi, 11120, Thailand
| | - Jirawat Swangsri
- Minimally Invasive Unit, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkoknoi, Bangkok, 10700, Thailand
| | - Thawatchai Akaraviputh
- Minimally Invasive Unit, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkoknoi, Bangkok, 10700, Thailand
| | - Vitoon Chinswangwatanakul
- Minimally Invasive Unit, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkoknoi, Bangkok, 10700, Thailand
| | - Atthaphorn Trakarnsanga
- Minimally Invasive Unit, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkoknoi, Bangkok, 10700, Thailand.
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Phothong N, Akaraviputh T, Chinswangwatanakul V, Methasate A, Trakarnsanga A. Cost-Effective and Potential Benefits in Three-Port Hand-Assisted Laparoscopic Sigmoidectomy. J Med Assoc Thai 2015; 98:864-870. [PMID: 26591396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
OBJECTIVE To demonstrate potential benefits of three-port hand-assisted laparoscopic sigmoidectomy (HALS) compared with open sigmoidectomy (OS) in terms of short-term outcomes and cost-benefit. MATERIAL AND METHOD A retrospective review of a database of cases that matched 100 sigmoid cancer patients treated with sigmoidectomy at the Department of Surgery, Siriraj Hospital was performed. Short-term outcomes and costs of treatment were collected and analyzed. RESULTS There were no differences in age, gender body mass index, American Society of Anesthesiologists' score, Charlson comorbidity index score, and previous surgery between OS and HALS groups. The three-port HALS group had significantly less blood loss (50 (5-400) mL vs. 120 (10-1,000) mL, p<0.001), faster time to regular diet (64.6±20.7 hours vs. 97.6±52.5 hours, p<0.001), and lower pain score (4.3±1.7 vs. 5.3±1.6, p = 0.008). The hospital-stay related cost was sign icantly lower in HALS group ($114 ($47-$789) vs. $190 ($57-$1,462), p<O. 001). The low rate of infection was a major contributory factor (12% vs. 0%, p = 0.03). This was further emphasized in subgroup analysis of surgical site infection (SSI). While there are great benefits, the operative cost is higher in HALS. However there is no significant difference in total costs of OS and HALS (US $2,243 ($1,321-$5,241) vs. $1,942 ($1,427-$11,910), p = 0.054). CONCLUSION Simplified three-port HALS can be successfully performed with superior short-term outcomes and preserved oncologic outcomes. Cost-benefit advantage was highlighted especially in the area of high rate of SST.
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Phothong N, Akaraviputh T, Chinswangwatanakul V, Trakarnsanga A. Simplified technique of laparoscopic cholecystectomy in a patient with situs inversus: a case report and review of techniques. BMC Surg 2015; 15:23. [PMID: 25880817 PMCID: PMC4364078 DOI: 10.1186/s12893-015-0012-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2014] [Accepted: 02/24/2015] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Situs inversus is a rare and silent autosomal recessive disorder occurring in 1:5,000 to 1:20,000 individuals. Laparoscopic cholecystectomy, a standard treatment for gallbladder disease in the general population, is very challenging in patients with situs inversus, especially for right-handed surgeons. We herein report a case involving our modified laparoscopic cholecystectomy technique for right-handed surgeons in a Thai patient with situs inversus who developed a symptomatic gallstone. We also include a short review of the literature. CASE PRESENTATION A 39-year-old female patient with dextrocardia presented with a 5-month history of episodic biliary colic. Abdominal ultrasonography revealed a left-sided gallbladder with gallstones. We performed laparoscopic cholecystectomy with our modified technique including port relocation. The operation went well, and our patient recovered satisfactorily. CONCLUSION Laparoscopic cholecystectomy in patients with a left-sided gallbladder is not often confidently performed by right-handed surgeons. However, some modifications of "mirror image" ports focused on the more ergonomic port position are the keys to successful completion of this operation. The patient will thus still obtain benefits from this standard minimally invasive technique.
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Affiliation(s)
- Natthawut Phothong
- Department of Surgery, Panyananthaphikkhu Chonprathan Medical Center, Srinakharinwirot University, Nonthaburi, Thailand
| | - Thawatchai Akaraviputh
- Minimally Invasive Unit, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Vitoon Chinswangwatanakul
- Minimally Invasive Unit, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Atthaphorn Trakarnsanga
- Minimally Invasive Unit, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand.
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Phalanusitthepha C, Augkurawaranon C, Sriprayoon T, Hokierti C, Akaraviputh T. Outcomes of endoscopic sphincteroplasty using large balloon dilatation for difficult common bile duct stone removal: a single endoscopist experience. J Med Assoc Thai 2014; 97:699-704. [PMID: 25265767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
OBJECTIVE Endoscopic sphincteroplasty (ESPT) using a large CRETM Wireguided balloon dilatation is an alternative technique in removing a difficult common bile duct (CBD) stone. However the outcome and complications of endoscopic difficult CBD stone removal using ESPT have not been well demonstrated. The present study revealed the outcome of the technique which done by a single endoscopist. MATERIAL AND METHOD Between January 2003 and December 2009, the retrospective study of ninety-three patients with CBD stones that underwent endoscopic retrograde cholangiopancreaticography (ERCP) for stone removal and had difficulty were enrolled. ESPT using a large CRE Wireguided balloon dilatation was performed in 62 patients. The success rate of complete stone clearance and post ERCP complications were analyzed RESULTS In the aspect of complete stone removal, the success rate was 88.7%. Seven patients (11.3%) required adjunctive mechanical lithotripsy (ML) for complete stone clearance. This technique was associated with low complication rate (3.2%). Post ERCP bleeding was found in one patient (1.6%) with ESPT using a large CRE balloon dilatation. Mild post-ERCP pancreatitis occurred in only one patient. CONCLUSION ESPT using large diameter CRE Wireguided balloon dilatation after biliary sphinctertomy is an effective technique for a difficult CBD stone removal associated with a lower rate of complications. This procedure can avoid unnecessary surgical CBD exploration for stone removal.
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Akaraviputh T, Angkurawaranon C, Phanchaipetch T, Lohsiriwat V, Nimmanwudipong T, Chinswangwatanakul V, Metasate A, Trakarnsanga A, Swangsri J, Taweerutchana V. Platysma myocutaneous flap interposition in surgical management of large acquired post-traumatic tracheoesophageal fistula: A case report. Int J Surg Case Rep 2014; 5:282-6. [PMID: 24727740 DOI: 10.1016/j.ijscr.2014.03.017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2014] [Accepted: 03/17/2014] [Indexed: 11/30/2022] Open
Abstract
INTRODUCTION Acquired post-traumatic tracheoesophageal fistula (TEF) is an uncommon entity requiring early diagnosis. Among the many strategies in surgical management, we report a case successfully treated with a single-stage tracheal resection and esophageal repair with platysma myocutaneous interposition flap. PRESENTATION OF CASE A 24-year-old man had a motor vehicle accident with head injury and cerebral contusion who required mechanical ventilation support. Three weeks later, he developed hypersecretion, and recurrent episodes of aspiration pneumonia. The chest computed tomography, esophagogastroduodenoscopy, and bronchoscopy revealed a large TEF diameter of 3cm at 4.5cm from carina. Single-stage tracheal resection with primary end-to-end anastomosis and esophageal repair with platysma myocutaneous interposition flap was performed. A contrast esophagography was done on post-operative day 7 and revealed no leakage. He was discharged on post-operative day 10. Esophagogastroduodenoscopy at 1 month revealed patient esophageal lumen. At present he is doing well without any evidence of complications such as esophageal stricture or fistula. DISCUSSION There are many choices of myocutaneous muscle flaps in trachea and esophageal closure or reinforcement. The platysma myocutaneous flap interposition is simple with the advantage of reduced bulkiness. Concern on the vascular supply is that flap should be elevated with the deep adipofascial tissue under the platysma to ensure that the flap survival is not threatened. CONCLUSION The treatment of acquired TEF with platysma myocutaneous flap is an alternative procedure for a large uncomplicated TEF as it is effective, technically ease, minimal donor site defect and yields good surgical results.
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Affiliation(s)
- Thawatchai Akaraviputh
- Division of General Surgery, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand.
| | - Chotirot Angkurawaranon
- Division of General Surgery, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Teerawit Phanchaipetch
- Division of Cardiovascular and Thoracic Surgery, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Visnu Lohsiriwat
- Division of Head Neck and Breast Surgery, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Thanyadej Nimmanwudipong
- Division of General Surgery, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Vitoon Chinswangwatanakul
- Division of General Surgery, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Asada Metasate
- Division of General Surgery, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Atthaphorn Trakarnsanga
- Division of General Surgery, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Jirawat Swangsri
- Division of General Surgery, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Voraboot Taweerutchana
- Division of General Surgery, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
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Rerknimitr R, Angsuwatcharakon P, Ratanachu-ek T, Khor CJL, Ponnudurai R, Moon JH, Seo DW, Pantongrag-Brown L, Sangchan A, Pisespongsa P, Akaraviputh T, Reddy ND, Maydeo A, Itoi T, Pausawasdi N, Punamiya S, Attasaranya S, Devereaux B, Ramchandani M, Goh KL. Asia-Pacific consensus recommendations for endoscopic and interventional management of hilar cholangiocarcinoma. J Gastroenterol Hepatol 2013; 28:593-607. [PMID: 23350673 DOI: 10.1111/jgh.12128] [Citation(s) in RCA: 155] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 12/20/2012] [Indexed: 12/13/2022]
Abstract
Hilar cholangiocarcinoma (HCCA) is one of the most common types of hepatobiliary cancers reported in the world including Asia-Pacific region. Early HCCA may be completely asymptomatic. When significant hilar obstruction develops, the patient presents with jaundice, pale stools, dark urine, pruritus, abdominal pain, and sometimes fever. Because no single test can establish the definite diagnosis then, a combination of many investigations such as tumor markers, tissue acquisition, computed tomography scan, magnetic resonance imaging/magnetic resonance cholangiopancreatography, endoscopic ultrasonography/intraductal ultrasonography, and advanced cholangioscopy is required. Surgery is the only curative treatment. Unfortunately, the majority of HCCA has a poor prognosis due to their advanced stage on presentation. Although there is no survival advantage, inoperable HCCA managed by palliative drainage may benefit from symptomatic improvement. Currently, there are three techniques of biliary drainage which include endoscopic, percutaneous, and surgical approaches. For nonsurgical approaches, stent is the most preferred device and there are two types of stents i.e. plastic and metal. Type of stent and number of stent for HCCA biliary drainage are subjected to debate because the decision is made under many grounds i.e. volume of liver drainage, life expectancy, expertise of the facility, etc. Recently, radio-frequency ablation and photodynamic therapy are promising techniques that may extend drainage patency. Through a review in the literature and regional data, the Asia-Pacific Working Group for hepatobiliary cancers has developed statements to assist clinicians in diagnosing and managing of HCCA. After voting anonymously using modified Delphi method, all final statements were determined for the level of evidence quality and strength of recommendation.
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Affiliation(s)
- Rungsun Rerknimitr
- Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand.
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Tolan HK, Sriprayoon T, Akaraviputh T. Unusual penetration of plastic biliary stent in a large ampullary carcinoma: A case report. World J Gastrointest Endosc 2012; 4:266-8. [PMID: 22720129 PMCID: PMC3377870 DOI: 10.4253/wjge.v4.i6.266] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2011] [Revised: 04/13/2012] [Accepted: 04/27/2012] [Indexed: 02/05/2023] Open
Abstract
Endoscopic biliary stenting is a well-established treatment of choice for many obstructive biliary disorders. Commonly used plastic endoprostheses have a higher risk of clogging and dislocation. Distal stent migration is an infrequent complication. Duodenum is the most common site of a migrated biliary stent. Intestinal perforation can occur during the initial insertion or endoscopic or percutaneous manipulation, or as a late consequence of stent placement. A 52-year-old male who presented with obstructive jaundice underwent endoscopic retrograde cholangiopancreatography (ERCP) with plastic stent placement. However, jaundice did not improve and he then underwent ERCP which revealed the plastic stent penetrating the ampullary tumor into the duodenal wall causing malfunction of the stent. A new plastic stent was inserted and the patient underwent Whipple’s operation. He is currently doing well after the operation.
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Affiliation(s)
- H Kerem Tolan
- H Kerem Tolan, Tassanee Sriprayoon, Thawatchai Akaraviputh, Department of Surgery, Division of General Surgery, Minimally Invasive Surgery Unit, Siriraj Gastrointestinal Endoscopy Center, Mahidol University, Bangkok 10700, Thailand
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Affiliation(s)
- N Suksamanapun
- Division of Pediatric Surgery, Department of Surgery, Faculty of Medicine Siriraj Hospital, Bangkok, Thailand
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Prachayakul V, Aswakul P, Pongprasobchai S, Pausawasdi N, Akaraviputh T, Sriprayoon T, Methasate A, Kachintorn U. Clinical characteristics, endosonographic findings and etiologies of gastroduodenal subepithelial lesions: a Thai referral single center study. J Med Assoc Thai 2012; 95 Suppl 2:S61-S67. [PMID: 22574531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
OBJECTIVE The present study was undertaken to evaluate the demographic data, endoscopic ultrasonography (EUS) characteristics of the sub-epithelial lesions, pathology results, complications and long-term follow-up of the patients whom referred for EUS evaluation at Siriraj Hospital. MATERIAL AND METHOD From January 2008-June 2011, a total of 61 cases was referred for EUS evaluation due to subepithelial lesions. The endoscopic reports, pathology results and the patients' medical records were reviewed. The present study was approved by Siriraj Institutional Review Board. RESULTS A total of 61 patients were referred for evaluation of subepithelial lesions, 6 of them were excluded. Thus, 55 cases were analyzed. The mean age was 57.7 +/- 13.8 years (27-87 years). Sixty seven percent were female. Only one-third of the patients had symptoms. The provisional diagnosis of the sub-epithelial lesions, regarding only clinical and endosonographic characteristics were GIST neuroendocrine tumor (NET), pancreatic rest, lipoma, granular cell tumor and others (70.9%, 9.1%, 9.1%, 3.6%, 3.6% and 3.6% respectively). All the lesions were diagnosed as GIST originating from either the forth layer (97.4%) or the second layer (2.6%) of gastric or duodenal wall. Fine needle aspiration (FNA) was performed in 13 patients (23.6%). The positive predictive value, negative predictive value and accuracy of diagnosis of GIST made by endosonographers based on only endosonographic characteristics were 85, 100 and 86% (95% CI: 62.4%-94.4%) respectively. CONCLUSION Most of the subepithelial lesions which were referred for EUS evaluation at Siriraj Hospital were GISTs. The diagnosis of GISTcan be accurately made by using the EUS based on only endosonographic characteristics. FNA should be done for the large sized GIST. For small sized GIST (< 3 cm), FNA might not be beneficial but a 1year interval follow-up with EUS is recommended.
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Affiliation(s)
- Varayu Prachayakul
- Siriraj GI Endoscopy Center, Siriraj Hospital, Department of Internal Medicine, Faculty of Medicine, Mahidol University, Bangkok, Thailand.
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Trakarnsanga A, Akaraviputh T. Endoscopic tattooing of colorectal lesions: Is it a risk-free procedure? World J Gastrointest Endosc 2011; 3:256-60. [PMID: 22195235 PMCID: PMC3244942 DOI: 10.4253/wjge.v3.i12.256] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2011] [Revised: 11/11/2011] [Accepted: 12/01/2011] [Indexed: 02/05/2023] Open
Abstract
Endoscopic tattooing is one of the most useful tools for the localization of small colorectal lesions especially in the laparoscopic setting. This is a minimally invasive endoscopic procedure without risk of major complications. However, many studies have revealed complications resulting from this procedure. In this article, several topics are reviewed including the accuracy, substance preparation, injected techniques and complications related to this procedure.
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Affiliation(s)
- Atthaphorn Trakarnsanga
- Atthaphorn Trakarnsanga, Thawatchai Akaraviputh, Minimally Invasive Surgery Unit, Division of General Surgery, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
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Trakarnsanga A, Akaraviputh T, Wathanaoran P, Phalanusitthepha C, Methasate A, Chinswangwattanakul V. Single-incision laparoscopic colectomy without using special articulating instruments: an initial experience. World J Surg Oncol 2011; 9:162. [PMID: 22151649 PMCID: PMC3262762 DOI: 10.1186/1477-7819-9-162] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2011] [Accepted: 12/07/2011] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Single-incision laparoscopic colectomy (SILC) was introduced as a novel minimally invasive technique. The benefits of this technique include reducing number of the incision and cosmetic improvement. Unlike the conventional laparoscopic colectomy, majority of previously reported SILC need to be performed using special curved or articulated instruments. The purpose of this study is to demonstrate our initial experience of SILC, which could be performed using the standard laparoscopic instruments. MATERIAL AND METHODS Retrospective review of 14 patients who underwent SILC at Siriraj Hospital from May to December 2010, patient's demographic data, perioperative outcomes, early postoperative complications and pathological data were collected and analyzed. RESULTS The mean age of all patients was 60 years. The most common operation with SILC was sigmoidectomy (n = 9), followed by right hemicolectomy (n = 2), left hemicolectomy (n = 1), anterior resection (n = 1), and total colectomy (n = 1). The trocar insertion techniques were multi-fascial incision using regular port (n = 11) and GelPOINT(®) (n = 3). The mean operative time was 155 minutes (range 90-280) and the mean estimate blood loss was 32.1 mL (range 10-100). All patients were successfully operated without conversion. The mean length of hospital stay was 9 days (range 5-20). There was no mortality. The pathological results revealed colorectal cancer (n = 12), neoplastic polyp (n = 1) and Familial adenomatous polyposis (FAP) (n = 1). The mean number of lymph nodes retrieval was 16.6 (range 3-34). CONCLUSION SILC can successfully and safely be performed with standard laparoscopic instruments. This technique might be an alternative procedure to conventional laparoscopic colectomy with better cosmetic result.
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Affiliation(s)
- Atthaphorn Trakarnsanga
- Minimally Invasive Surgery Unit, Division of General Surgery, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
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Lim LG, Itoi T, Lim WC, Mesenas SJ, Seo DW, Tan J, Wang HP, Akaraviputh T, Lakhtakia S, Omar S, Rantachu T, Sachitanandan S, Yasuda K, Varadarajulu S, Wong J, Dhir V, Ho KY. Current status on the diagnosis and management of pancreatic cysts in the Asia-Pacific region: role of endoscopic ultrasound. J Gastroenterol Hepatol 2011; 26:1702-8. [PMID: 21871024 DOI: 10.1111/j.1440-1746.2011.06884.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Endoscopic ultrasound (EUS) and EUS-guided fine-needle aspiration (EUS-FNA) play increasingly prominent roles in the diagnosis and management of pancreatic cysts. The Asian Consortium of Endoscopic Ultrasound was recently formed to conduct collaborative research in this area. This is a review of literature on true pancreatic cysts. Due to the lack of systematic studies, there are no robust data on the true incidence of pancreatic cystic lesions in Asia and any change in over the recent decades. Certain EUS morphological features have been used to predict particular types of pancreatic cysts. Pancreatic cyst fluid viscosity, cytology, pancreatic enzymes, and tumor markers, in particular carcinoembryonic antigen, can aid in the diagnosis of pancreatic cysts. Hemorrhage and infection are the most common complications of EUS-FNA of pancreatic cysts. Pancreatic cysts can either be observed or resected depending on the benign or malignant nature, or malignant potential of the lesions. Guidelines from an international consensus did not require positive cytological findings to be present in their recommendation for resection, which included all mucinous cystic neoplasms, all main-duct intraductal papillary mucinous neoplasms (IPMN), all mixed IPMN, symptomatic side-branch IPMN, and side-branch IPMN larger than 3 cm. In patients with poor surgical risks, EUS-guided cyst ablation of mucinous pancreatic cysts is an alternative. As long-term prospective data on pancreatic cysts are still not available in Asia, management strategies are largely based on risk stratification by surgical risk and malignant potential. Gene expression profiling of pancreatic cyst fluid and confocal laser endomicroscopic examination of pancreatic cysts are novel techniques currently being studied.
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Affiliation(s)
- Lee Guan Lim
- Department of Gastroenterology and Hepatology, National University Health System, Singapore
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Shimizu S, Itaba S, Yada S, Takahata S, Nakashima N, Okamura K, Rerknimitr R, Akaraviputh T, Lu X, Tanaka M. Significance of telemedicine for video image transmission of endoscopic retrograde cholangiopancreatography and endoscopic ultrasonography procedures. J Hepatobiliary Pancreat Sci 2011; 18:366-74. [PMID: 21127912 DOI: 10.1007/s00534-010-0351-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
BACKGROUND With the rapid and marked progress in gastrointestinal endoscopy, the education of doctors in many new diagnostic and therapeutic procedures is of increasing importance. Telecommunications (telemedicine) is very useful and cost-effective for doctors' continuing exposure to advanced skills, including those needed for hepato-pancreato-biliary diseases. Nevertheless, telemedicine in endoscopy has not yet gained much popularity. We have successfully established a new system which solves the problems of conventional ones, namely poor streaming images and the need for special expensive teleconferencing equipment. METHODS The digital video transport system, free software that transforms digital video signals directly into Internet Protocol without any analog conversion, was installed on a personal computer using a network with as much as 30 Mbps per channel, thereby providing more than 200 times greater information volume than the conventional system. Kyushu University Hospital in Japan was linked internationally to worldwide academic networks, using security software to protect patients' privacy. RESULTS Of the 188 telecommunications link-ups involving 108 institutions in 23 countries performed between February 2003 and August 2009, 55 events were endoscopy-related, 19 were live demonstrations, and 36 were gastrointestinal teleconferences with interactive discussions. The frame rate of the transmitted pictures was 30/s, thus preserving smooth high-quality streaming. CONCLUSIONS This paper documents the first time that an advanced tele-endoscopy system has been established over such a wide area using academic high-volume networks, funded by the various governments, and which is now available all over the world. The benefits of a network dedicated to research and education have barely been recognized in the medical community. We believe our cutting-edge system will be a milestone in endoscopy and will improve the quality of gastrointestinal education, especially with respect to endoscopic retrograde cholangiopancreatography (ERCP) and endoscopic ultrasonography (EUS) procedures.
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Affiliation(s)
- Shuji Shimizu
- Department of Endoscopic Diagnostics and Therapeutics, Kyushu University Hospital, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan.
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Boonnuch W, Akaraviputh T, Nino C, Yiengpruksawan A, Christiano AA. Successful treatment of esophageal metastasis from hepatocellular carcinoma using the da Vinci robotic surgical system. World J Gastrointest Surg 2011; 3:82-5. [PMID: 21765971 PMCID: PMC3135873 DOI: 10.4240/wjgs.v3.i6.82] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2010] [Revised: 04/02/2011] [Accepted: 04/09/2011] [Indexed: 02/06/2023] Open
Abstract
A 59-year-old man with metastatic an esophageal tumor from hepatocellular carcinoma (HCC) presented with progressive dysphagia. He had undergone liver transplantation for HCC three and a half years prevously. At presentation, his radiological and endoscopic examinations suggested a submucosal tumor in the lower esophagus, causing a luminal stricture. We performed complete resection of the esophageal metastases and esophagogastrostomy reconstruction using the da Vinci robotic system. Recovery was uneventful and he was been doing well 2 mo after surgery. α-fetoprotein level decreased from 510 ng/mL to 30 ng/mL postoperatively. During the follow-up period, he developed a recurrent esophageal stricture at the anastomosis site and this was successfully treated by endoscopic esophageal dilatation.
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Affiliation(s)
- Wiroon Boonnuch
- Wiroon Boonnuch, Thawatchai Akaraviputh, Minimally Invasive Surgery Center, Division of General Surgery, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, 10700, Thailand
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Trakarnsanga A, Sriprayoon T, Akaraviputh T, Tongdee T. Massive hemobilia from a ruptured hepatic artery aneurysm detected by endoscopic ultrasound (EUS) and successfully treated. Endoscopy 2011; 42 Suppl 2:E340-1. [PMID: 21170839 DOI: 10.1055/s-0030-1255940] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- A Trakarnsanga
- Minimally Invasive Surgery Center, Department of Surgery, Siriraj GI Endoscopy Center, Bangkok, Thailand
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Akaraviputh T, Trakarnsanga A, Tolan K. Endoscopic treatment of acute ascending cholangitis in a patient with Roux-en-Y limb obstruction after a Whipple operation. Endoscopy 2011; 42 Suppl 2:E335-6. [PMID: 21170836 DOI: 10.1055/s-0030-1255981] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Affiliation(s)
- T Akaraviputh
- Minimally Invasive Surgery Center, Division of General Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand.
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Kongkam P, Rerknimitr R, Ridtitid W, Pausawasdi N, Akaraviputh T, Ratanachu-ek T, Pisespongsa P, Ovartlarnporn B. EUS-FNA for pancreatic cyst lesion, today and tomorrow in the Kingdom of Thailand. Dig Endosc 2011; 23 Suppl 1:54-7. [PMID: 21535203 DOI: 10.1111/j.1443-1661.2011.01140.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Unlike endoscopic retrograde cholangiopancreatography (ERCP) service, endoscopic ultrasonography (EUS) service in Thailand is at its elementary state. Currently, there are only 11 hospitals in Thailand carrying out EUS whereas there are more than 50 hospitals carrying out ERCP. This is a multicenter questionnaire survey that obtained information on EUS practice for pancreatic cysts. Of those 11 hospitals, only three hospitals provided enough number of patients with pancreatic cysts undergoing EUS. There were many differences in endosonographers opinions regarding specific information in the pancreatic cyst. In addition, the threshold to carry out and not to carry out fine needle aspiration are varies.
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Affiliation(s)
- Pradermchai Kongkam
- Division of Gastroenterology, Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
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Trakarnsanga A, Akaraviputh T, Methasate A, Chinswangwatanakul V. Hybrid approach for left-sided colonic carcinoma obstruction; a case report. World J Surg Oncol 2011; 9:42. [PMID: 21507272 PMCID: PMC3103441 DOI: 10.1186/1477-7819-9-42] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2011] [Accepted: 04/21/2011] [Indexed: 12/24/2022] Open
Abstract
Traditionally, there are several approaches to manage left-sided colonic carcinoma obstruction, such as tumor resection with primary anastomosis, tumor resection with end-colostomy and loop-colostomy. Recently, colonic stent insertion was introduced as a bridge prior to definite surgery. We demonstrated a hybrid approach for obstructed sigmoid carcinoma using colonic stent, followed by single incision laparoscopic colectomy (SILC). A 58 year-old man presented with complete left-sided colonic obstruction. He underwent emergency colonoscopy with metallic stent placement. One week later, he was performed SILC. He recovered well after the operation without any postoperative complications. The pathological result showed adequacy of oncologic resection. This hybrid approach of colonic stent insertion and SILC can be safely performed.
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Affiliation(s)
- Atthaphorn Trakarnsanga
- Minimally Invasive Surgery unit, Division of General Surgery, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
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Methasate A, Trakarnsanga A, Akaraviputh T, Chinsawangwathanakol V, Lohsiriwat D. Early gastric cancer: the first case series in Thailand. J Med Assoc Thai 2011; 94:316-322. [PMID: 21560839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
BACKGROUND Early gastric cancer (EGC) defined as gastric cancer involving up to submucosal layer, regardless of lymph node metastasis, is increasingly found at Siriraj Hospital. Understanding the characteristic of EGC and result of surgical management for EGC can help to choose the optimal treatment. In the present study, the authors reported the first case series in Thailand. MATERIAL AND METHOD The authors analyzed 21 consecutive EGC patients treated with gastrectomy with lymph node dissection between September 2001 and December 2009 at Minimally Invasive Surgery Center, Division of General Surgery, Department of Surgery, Siriraj Hospital, Mahidol University, Thailand. RESULTS Ratio of EGC to total cases of gastric cancer was increasing yearly, from 1.8% in 2006 to 8.1% in 2009 at Siriraj Hospital. The most common type of EGC was type IIc (66.7%) while type III was found in 19%, and type I in 14.3%. The tumor invaded mucosal layer in 42.9% and submucosal layer in 57.1% of the patients. For N staging, 76.2% of the patients were N0 while N1 was 19% and N2 was 4.8%. Overall, lymph node metastasis was found in 23.8%. For mucosal cancer (m), no lymph node metastasis was seen while for submucosal cancer (sm) five cases (41.7%) had lymph node metastasis, especially in one patient that the metastasis was in N2 group. Lymphatic invasion was seen in 14.3% of cases. All cases with lymphatic invasion were all submucosal cancer. Overall staging was stage 1a in 76.2%, stage 1b in 19%, and stage 2 in 4.8%. Morbidity was seen in 14.3% of the cases. No mortality was seen. The survival was excellent with no recurrence found during the follow-up period of the present study (mean 30.53 months). CONCLUSION Surgery for EGC has good results with minimal complications and excellent 5-year survival. Less invasive treatment has become the option for EGC. Understanding the characteristic of EGC and careful selection to assign appropriate treatment is important to improve the result in the treatment of EGC.
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Affiliation(s)
- Asada Methasate
- Minimally Invasive Surgery Center, Department of Surgery, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand.
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Methasate A, Trakarnsanga A, Akaraviputh T, Chinsawangwathanakol V, Lohsiriwat D. Radical esophagectomy for esophageal cancer: results in Thai patients. J Med Assoc Thai 2010; 93:1256-1261. [PMID: 21114203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
BACKGROUND Radical esophagectomy was reported to have prolonged survival in patients with esophageal cancer However, it is associated with high morbidity and mortality. Controversy still exists regarding value of radical esophagectomy MATERIAL AND METHOD The authors analyzed the results, including complications and survival in 68 consecutive patients with esophageal cancer who were treated with transthoracic radical esophagectomy at the Department of Surgery, Siriraj hospital, Mahidol University between June 2002 and June 2008. RESULTS There were 57 males and eight females with a mean age of 59.28 +/- 11.25 years. Regarding T staging, 81.5% of the patients were in T3 stage while 1.5% of the patients had Ti stage, 15.4% had T2 stage, and 1.5% had T4 stage. Lymph node metastasis (NI) was found in 63.1% of the patients and NO was in 36.9%. Most of the patients were in advanced stages with 53.8% in stage III, 44.6% in stage II, and 1.5% in stage I. The 5-year survival rate of the patients with node positive was significantly lower than the patients with node negative (p = 0.018). The survival was significantly better in stage Ilcompared to stage III (p = 0.012). Overall 5-year survival rate was 28. 5%. Most common complications were from pulmonary causes (22.1%), anastomotic leakage (8.8%), and wound infection (8.8%). Mortality rate was 4.41%. CONCLUSION Radical esophagectomy was associated with relatively low mortality and acceptable survival. It should be considered in surgical treatment of patients with esophageal cancer
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Affiliation(s)
- Asada Methasate
- Division of General Surgery, Department ofSurgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand.
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Akaraviputh T, Trakarnsanga A, Suksamanapun N. Robot-assisted complete excision of choledochal cyst type I, hepaticojejunostomy and extracorporeal Roux-en-y anastomosis: a case report and review literature. World J Surg Oncol 2010; 8:87. [PMID: 20937150 PMCID: PMC2964719 DOI: 10.1186/1477-7819-8-87] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2010] [Accepted: 10/12/2010] [Indexed: 12/18/2022] Open
Abstract
For Choledochal cyst type I, complete excision of cyst with Roux-en-Y hepaticojejunostomy anastomosis is the treatment of choice. It has been performed laparoscopically with the advancement of laparoscopic skill. Recently, a telemanipulative robotic surgical system was introduced, providing laparoscopic instruments with wrist-arm technology and 3-dimensional visualization of the operative field. We present a case of robot-assisted total excision of a choledochal cyst type I and biliary reconstruction in a 14-year-old girl. No intraoperative complications or technical problems were encountered. An intraabdominal collection occurred and was successfully treated with continuous percutaneous drainage. At one-year follow-up, she is doing well without evidence of recurrent cholangitis.
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Affiliation(s)
- Thawatchai Akaraviputh
- Minimally Invasive Surgery Center, Division of General Surgery, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand.
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Suksamanapun N, Uiprasertkul M, Ruangtrakool R, Akaraviputh T. Endoscopic treatment of a large colonic polyp as a cause of colocolonic intussusception in a child. World J Gastrointest Endosc 2010; 2:268-70. [PMID: 21160618 PMCID: PMC2999144 DOI: 10.4253/wjge.v2.i7.268] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2010] [Revised: 06/26/2010] [Accepted: 07/03/2010] [Indexed: 02/05/2023] Open
Abstract
Colocolonic intussusception is an uncommon cause of intestinal obstruction in children. The most common type is idiopathic ileocolic intussusception. However, pathologic lead points occur approximately in 5% of cases. In pediatric patients, Meckel’s diverticulum is the most common lead point, followed by polyps and duplication. We present a case of recurrent colocolonic intussusception which caused colonic obstruction in a 10-year-old boy. A barium enema revealed a large polypoid mass at the transverse colon. Colonoscopy showed a colonic polyp, 3.5 centimeters in diameter, which was successfully removed by endoscopic polypectomy.
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Affiliation(s)
- Nutnicha Suksamanapun
- Nutnicha Suksamanapun, Ravit Ruangtrakool, Division of Pediatric Surgery, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
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Affiliation(s)
- S Leelakusolvong
- Siriraj GI Endoscopy Center, Department of Medicine, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand
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Methasate A, Trakarnsanga A, Akaraviputh T, Chinsawangwathanakol V, Lohsiriwat D. Lymph node metastasis in gastric cancer: result of D2 dissection. J Med Assoc Thai 2010; 93:310-317. [PMID: 20420105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
BACKGROUND Extent of lymph node dissection still remains one of the most controversial issues regarding radical gastrectomy. Knowledge of the pattern and incidence of lymph node metastasis may help to define the optimal extent of lymph node dissection. MATERIAL AND METHOD The authors analyzed lymph node metastasis and survival rate in 130 consecutive gastric cancer patients who underwent radical gastrectomy with D2 dissection between June 2001 and October 2008 at the Department of Surgery, Faculty of Medicine, Siriraj Hospital, Mahidol University, Thailand. RESULTS For N staging, 28.5% of the patients were N0 while N1 was 40% and N2 was 31.5%. 44% of the patients with lymph node positive had metastasis up to group 2 lymph nodes. The patients with node positive had 5 year survival of 39% while the patients with node negative had survival of 73% (p = 0.003). Tumor at the middle part of the stomach had the most widespread lymph node metastasis compared to other regions. Lymph node group 7, 8 and 9 had a high incidence of lymph node metastasis especially for distal cancer while lymph node group 10, 11, 12 had lower incidence of metastasis. No mortality was seen in the present study. CONCLUSION N staging, number of metastatic node > 5 and angiolymphatic invasion were the lymph node related factors contributing to survival. For radical gastrectomy, D2 dissection is required for adequate clearance of metastatic lymph nodes, which can be done without mortality.
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Affiliation(s)
- Asada Methasate
- Department of Surgery, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand.
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Akaraviputh T, Arunakul S, Lohsiriwat V, Iramaneerat C, Trakarnsanga A. Surgery for gastrointestinal malignant melanoma: Experience from surgical training center. World J Gastroenterol 2010; 16:745-8. [PMID: 20135724 PMCID: PMC2817064 DOI: 10.3748/wjg.v16.i6.745] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To characterize clinical features, surgery, outcome, and survival of malignant melanoma (MM) of the gastrointestinal (GI) tract in a surgical training center in Bangkok, Thailand.
METHODS: A retrospective review was performed for all patients with MM of the GI tract treated at our institution between 1997 and 2007.
RESULTS: Fourteen patients had GI involvement either in a metastatic form or as a primary melanoma. Thirteen patients with sufficient data were reviewed. The median age of the patients was 66 years (range: 32-87 years). Ten patients were female and three were male. Seven patients had primary melanomas of the anal canal, stomach and the sigmoid colon (5, 1 and 1 cases, respectively). Seven patients underwent curative resections: three abdominoperineal resections, two wide local excisions, one total gastrectomy and one sigmoidectomy. Six patients had distant metastatic lesions at the time of diagnosis, which made curative resection an inappropriate choice. Patients who underwent curative resection exhibited a longer mean survival time (29.7 mo, range: 10-96 mo) than did patients in the palliative group (4.8 mo, P = 0.0006).
CONCLUSION: GI MM had an unfavorable prognosis, except in patients who underwent curative resection (53.8% of cases), who had a mean survival of 29.7 mo.
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Boonnuch W, Lohsiriwat V, Akaraviputh T, Chinswangwatanakul V, Lohsiriwat D. The surgical outcome of preoperative chemoradiation therapy for ultra low rectal cancer. J Med Assoc Thai 2009; 92:1423-1427. [PMID: 19938732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
OBJECTIVE To evaluate the surgical outcome of preoperative long-course chemoradiation therapy (PCRT) in patients with ultra low rectal cancer. MATERIAL AND METHOD Medical records of patients with rectal adenocarcinoma located within the length of 5 cm from the anal verge, who underwent elective oncological resection between 2003 and 2006 at Siriraj Hospital, were reviewed. PCRT was performed in some patients based on tumor characteristics and surgeon's decision. Rate of sphincter preservation and other surgical outcomes were assessed. RESULTS Ninety-three patients with an average age of 60 years were studied. Twenty-seven (29%) received PCRT. There was no difference in demographic data and location of the tumor between PCRT and non-PCRT group. Patients with PCRT had a smaller size of tumor (2.6 vs. 5.0 cm, p < 0.001) and better tumor staging (p < 0.001). Complete pathological response was found in four patients with PCRT (15%). However, there was no significant difference in SPP rate between PCRT and non-PCRT group (37% vs. 36%, p = 0.95). Other surgical outcomes between the two groups were also not different. CONCLUSION PCRT did not increase rate of sphincter preservation in patients with low rectal cancer.
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Affiliation(s)
- Wiroon Boonnuch
- Colorectal Unit, Division of General Surgery, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
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Lohsiriwat V, Sujarittanakarn S, Akaraviputh T, Lertakyamanee N, Lohsiriwat D, Kachinthorn U. What are the risk factors of colonoscopic perforation? BMC Gastroenterol 2009; 9:71. [PMID: 19778446 PMCID: PMC2760570 DOI: 10.1186/1471-230x-9-71] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/18/2009] [Accepted: 09/24/2009] [Indexed: 02/07/2023] Open
Abstract
Background Knowledge of the factors influencing colonoscopic perforation (CP) is of decisive importance, especially with regard to the avoidance or minimization of the perforations. The aim of this study was to determine the incidence and risk factors of CP in one of the endoscopic training centers accredited by the World Gastroenterology Organization. Methods The prospectively collected data were reviewed of all patients undergoing either colonoscopy or flexible sigmoidoscopy at the Faculty of Medicine Siriraj Hospital, Bangkok, Thailand between January 2005 and July 2008. The incidence of CP was evaluated. Eight independent patient-, endoscopist- and endoscopy-related variables were analyzed by a multivariate model to determine their association with CP. Results Over a 3.5-year period, 10,124 endoscopic procedures of the colon (8,987 colonoscopies and 1,137 flexible sigmoidoscopies) were performed. There were 15 colonic perforations (0.15%). Colonoscopy had a slightly higher risk of CP than flexible sigmoidoscopy (OR 1.77, 95%CI 0.23-13.51; p = 1.0). Patient gender, emergency endoscopy, anesthetic method, and the specialty or experience of the endoscopist were not significantly predictive of CP rate. In multivariate analysis, patient age of over 75 years (OR = 6.24, 95%CI 2.26-17.26; p < 0.001) and therapeutic endoscopy (OR = 2.98, 95%CI 1.08-8.23; p = 0.036) were the only two independent risk factors for CP. Conclusion The incidence of CP in this study was 0.15%. Patient age of over 75 years and therapeutic colonoscopy were two important risk factors for CP.
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Affiliation(s)
- Varut Lohsiriwat
- Siriraj GI Endoscopy center, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand.
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Akaraviputh T, Iramaneerat C, Trakarnsanga A. Liver injury from endoscopic insertion of self-expandable metallic stent to relieve biliary obstruction: a fatal complication. Gastrointest Endosc 2009; 70:554; discussion 555. [PMID: 19559430 DOI: 10.1016/j.gie.2009.04.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2008] [Accepted: 04/15/2009] [Indexed: 12/10/2022]
Affiliation(s)
- Thawatchai Akaraviputh
- Department of Surgery, Faculty of Medicine, Siriraj GI Endoscopy Center, Siriraj Hospital, Mahidol University, Bangkok, Thailand
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Lohsiriwat V, Lohsiriwat D, Boonnuch W, Chinswangwatanakul V, Akaraviputh T, Methasade A, Lertakyamanee N. Comparison between midline and right transverse incision in right hemicolectomy for right-sided colon cancer: a retrospective study. J Med Assoc Thai 2009; 92:1003-1008. [PMID: 19694322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
BACKGROUND The advantage of a transverse incision over a midline incision for open right hemicolectomy remains controversial. OBJECTIVE To compare the short-term surgical outcomes of right hemicolectomy through midline incision (RHML) and right hemicolectomy through right transverse incision (RHTR) for right-sided colon cancer. MATERIAL AND METHOD This retrospective study included 74 patients with right-sided colon cancer who underwent elective right hemicolectomies through midline or right transverse incision between February 2004 and June 2006 at the Department of Surgery, Faculty of Medicine Siriraj Hospital. Operative details, postoperative requirement of narcotics, recovery of bowel function, and oncological parameters were analyzed. RESULTS Fifty-four patients underwent RHML and 20 patients underwent RHTR. Both approaches achieved adequate oncological resection of the tumor. The RHTR group were characterized by shorter operative times (105 vs. 140 minutes; p = 0.001), less blood loss (70 vs. 125 ml,; p = 0.004), faster discontinuation of intravenous narcotics (1.2 vs. 1.8 days; p = 0.03), and shorter length of hospital stay (6.0 vs. 7.9 days,; p = 0.02). Postoperative complications and time to recovery of bowel function were not significantly different. CONCLUSION The authors suggest that RHTR is a safe and effective operation for right-sided colon cancer; which results in a significant reduction in operative time, duration of intravenous narcotics administration, and hospital stay compared with RHML. However, there is no difference in postoperative recovery of bowel function and complication rate.
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Affiliation(s)
- Varut Lohsiriwat
- Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand.
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Opasanon S, Akaraviputh T, Keorochana K, Somcharit L. The role of laparoscopic management in suspected traumatic diaphragmatic injury patients: a tertiary care center experience. J Med Assoc Thai 2009; 92:903-908. [PMID: 19626808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
BACKGROUND Management of posttraumatic diaphragmatic injury (DI) is still challenging. In suspected patients with stable hemodynamic, laparoscopy may aid in the diagnosis and treatment of DI. OBJECTIVE To analyze and determine the role of laparosocopy in diagnosis and treatment of suspected diaphragmatic injury patients at Trauma Centre, Faculty of Medicine Siriraj Hospital. MATERIAL AND METHOD A prospective descriptive study was conducted between 2001 and 2008 in Division of Trauma Surgery, Siriraj Hospital, Mahidol University, Thailand. Twenty-four suspected DI patients with stable hemodynamic were reviewed and analyzed Laparoscopy was performed in all patients. RESULTS Of the patients, 95.8% were men with a mean age of 27.3 years (range, 14-54 yr). Twenty-three patients (95.8%) had a penetrating injury. Five patients (20.8%) presented with tachypnea and decreased breath sound Pneumohemothorax occurred in five patients (20.8%). Chest x-ray revealed diaphragmatic elevation in one patient (4.2%). Five cases (20.8%) were found DI. In one patient with right-sided DI, thoracoscopic repair was performed There were no procedure related complications. All patients were discharged 72 hours after the operation. CONCLUSION Laparoscopy is an excellent diagnostic and therapeutic tool in hemodynamically stable patients. Left-sided DI can be successfully treated with laparoscopic repair However right-sided DI may be better with thoracoscopic repair.
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Affiliation(s)
- Supaporn Opasanon
- Division of Trauma Surgery, Department of Surgery, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand.
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Akaraviputh T, Manuyakorn A, Lohsiriwat V. Diagnosis by endoscopic ultrasound of a large aberrant pancreas mimicking malignant gastrointestinal stromal tumor of the stomach. Endoscopy 2009; 41 Suppl 2:E63-4. [PMID: 19319784 DOI: 10.1055/s-0028-1119457] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Affiliation(s)
- T Akaraviputh
- Siriraj GI Endoscopy Center, Department of Surgery, Siriraj Hospital, Mahidol University, Bangkok, Thailand.
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Akaraviputh T, Trakarnsanga A, Pongprasobchai S, Boonnuch W. Giant appendiceal mucocele mimicking gastrointestinal stromal tumor of the cecum. Endoscopy 2009; 41 Suppl 2:E17-8. [PMID: 19219762 DOI: 10.1055/s-0028-1103461] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Affiliation(s)
- T Akaraviputh
- Siriraj GI Endoscopy Center, Department of Surgery, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand.
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Akaraviputh T, Leelouhapong C, Lohsiriwat V, Aroonpruksakul S. Efficacy of perioperative parecoxib injection on postoperative pain relief after laparoscopic cholecystectomy: A prospective, randomized study. World J Gastroenterol 2009; 15:2005-8. [PMID: 19399934 PMCID: PMC2675092 DOI: 10.3748/wjg.15.2005] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To determine the efficacy of perioperative parecoxib injection on postoperative pain relief after laparoscopic cholecystectomy.
METHODS: A prospective, double-blind, randomized, placebo-controlled study was conducted on 70 patients who underwent elective laparoscopic cholecystectomy under general anesthesia at Siriraj Hospital, Bangkok, from January 2006 to December 2007. Patients were randomized to receive either 20 mg parecoxib infusion 30 min before induction of anesthesia and at 12 h after the first dose (treatment group), or normal saline infusion, in the same schedule, as a placebo (control group). The degree of the postoperative pain was assessed every 3 h in the first 24 h after surgery, and then every 12 h the following day, using a visual analog scale. The consumption of analgesics was also recorded.
RESULTS: There were 40 patients in the treatment group, and 30 patients in the control group. The pain scores at each time point, and analgesic consumption did not differ between the two groups. However, there were fewer patients in the treatment group than placebo group who required opioid infusion within the first 24 h (60% vs 37%, P = 0.053).
CONCLUSION: Perioperative administration of parecoxib provided no significant effect on postoperative pain relief after laparoscopic cholecystectomy. However, preoperative infusion 20 mg parecoxib could significantly reduce the postoperative opioid consumption.
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Akaraviputh T, Rattanapan T, Lohsiriwat V, Methasate A, Aroonpruksakul S, Lohsiriwat D. A same day approach for choledocholithiasis using endoscopic stone removal followed by laparoscopic cholecystectomy: a retrospective study. J Med Assoc Thai 2009; 92:8-11. [PMID: 19260236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
OBJECTIVE The timing of minimally invasive approach of choledocholithiasis, using endoscopic retrograde cholangiopancreatography (ERCP) and laparoscopic cholecystectomy (LC), is challenging. The aim of the present retrospective study was to assess the feasibility and safety of endoscopic stone removal for choledocholithiasis followed by same-day LC. MATERIAL AND METHOD Between October 2005 and February 2007, 27 patients diagnosed with choledocholithiasis were treated with this approach. Of these patients, nine (33%) had either pancreatitis or cholangitis. The mean age of the patients was 56 years (range, 29-78). ERCP was performed in the endoscopic unit, whereas LC was performed in the theater Success rate and clinical outcome were analyzed. RESULTS Ninety-three percent clinical success was achieved. Two patients required conversion to opened cholecystectomy because of uncertain anatomy. There was no 30-day postoperative mortality. Two patients (7%) had postoperative complications (post-ERCP pancreatitis and superficial surgical site infection). The mean interval between the two procedures was 122 minutes (28-325). The mean operative time of ERCP was 25 minutes (15-30) and of LC was 83 minutes (30-140). The mean length of hospital stay was four days (range, 3-6). CONCLUSION The management of choledocholithiasis using endoscopic stone removal, followed by same day laparoscopic cholecystectomy, is safe and has good clinical outcomes.
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Affiliation(s)
- Thawatchai Akaraviputh
- Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand.
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Opasanon S, Akaraviputh T, Methasate A, Sirikun J, Laohapensang M. Endoscopic management of foreign body in the upper gastrointestinal tract: a tertiary care center experience. J Med Assoc Thai 2009; 92:17-21. [PMID: 19260238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
BACKGROUND Foreign body (FB) in the upper gastrointestinal tract (UGIT) is a common clinical problem in endoscopic practice. At present, many physicians recommend endoscopy for both diagnosis and treatment. To date, few have report endoscopic findings and management of FB in UGIT. OBJECTIVE To report the authors' experience and outcome of the endoscopic management of foreign body ingestion at Siriraj Hospital. MATERIAL AND METHOD Medical records of patients with FB ingestion in the UGIT, who underwent endoscopic management between January 2004 and January 2008 at Siriraj Hospital, were reviewed. RESULTS The analysis included 34 patients of which 58.82% were men. The mean age of the group was 18.26 years (range 10 months - 86 years). 58.82% of patients were younger than 5 years. Esophagogastroduodenoscopy (EGD) was performed in 100% of cases, under general anesthesia (GA) in 85.29%, and under transintravenous anesthesia (TIVA) in 14.71%. Endoscopic management was successful in all cases. The extractions were done with rat-tooth forceps, polypectomy snare, dormia basket, or tripods. There were no procedure related complications. CONCLUSION The ingested FB varied widely according to the underlying medical condition and age. In a tertiary care center endoscopic removal of FB in UGIT could be safely performed with a very good result.
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Affiliation(s)
- Supaporn Opasanon
- Division of Trauma Surgery, Siriraj GI Endoscopy Center, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand.
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Lohsiriwat V, Sujarittanakarn S, Akaraviputh T, Lertakyamanee N, Lohsiriwat D, Kachinthorn U. Colonoscopic perforation: A report from World Gastroenterology Organization endoscopy training center in Thailand. World J Gastroenterol 2008; 14:6722-5. [PMID: 19034978 PMCID: PMC2773317 DOI: 10.3748/wjg.14.6722] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To determine the incidence of colonoscopic perforation (CP), and evaluate clinical findings, management and outcomes of patients with CP from the World Gastroenterology Organization (WGO) Endoscopy Training Center in Thailand.
METHODS: All colonoscopies and sigmoidoscopies performed between 1999 and 2007 in the Endoscopic unit, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok were reviewed. Incidence of CP, patients’ characteristics, endoscopic information, intra-operative findings, management and outcomes were analyzed.
RESULTS: A total of 17 357 endoscopic procedures of the colon (13 699 colonoscopies and 3658 flexible sigmoidoscopies) were performed in Siriraj hospital over a 9-year period. Fifteen patients (0.09%) had CP: 14 from colonoscopy and 1 from sigmoidoscopy. The most common site of perforation was in the sigmoid colon (80%), followed by the transverse colon (13%). Perforations were caused by direct trauma from either the shaft or the tip of the endoscope (n = 12, 80%) and endoscopic polypectomy (n = 3, 20%). All patients with CP underwent surgical management: primary repair (27%) and bowel resection (73%). The mortality rate was 13% and postoperative complication rate was 53%.
CONCLUSION: CP is a rare but serious complication following colonoscopy and sigmoidoscopy, with high rates of morbidity and mortality. Incidence of CP was 0.09%. Surgery is still the mainstay of CP management.
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Affiliation(s)
- T Akaraviputh
- Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand.
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Lohsiriwat V, Lohsiriwat D, Boonnuch W, Chinswangwatanakul V, Akaraviputh T, Riansuwan W, Lert-akyamanee N. Outcomes of sphincter-saving operation for rectal cancer without protective stoma and pelvic drain, and risk factors for anastomotic leakage. Dig Surg 2008; 25:191-7. [PMID: 18577863 DOI: 10.1159/000140688] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2007] [Accepted: 01/30/2008] [Indexed: 12/15/2022]
Abstract
BACKGROUND/AIMS To evaluate the outcomes of sphincter-saving operation for rectal cancer without protective stoma and pelvic drain and to determine factors influencing anastomotic leakage. METHODS We investigated 170 patients undergoing elective sphincter-saving operation without protective stoma and pelvic drain during 2003-2006 in a single institution. Early postoperative outcomes were evaluated. 17 independent patient-, tumor-, and treatment-related variables were analyzed by a multivariate model to determine their association with anastomotic leakage. RESULTS The patients' median age was 64 years. Median tumor height was 8 cm (range 3-15) from the anal verge. Overall 30-day mortality rate was 1.2%. Postoperative complications were diagnosed in 38 patients (22%) including 14 cases of anastomotic leakage (8.2%), of which 10 cases (71%) required surgical intervention. Tumor height within 5 cm from the anal verge was the only independent factor for leakage (OR 4.04; 95% CI 1.25-13.08). CONCLUSION A sphincter-saving operation without a protective stoma and pelvic drain can be performed safely in the vast majority of rectal cancer patients. Tumor height within 5 cm from the anal verge is an independent risk factor for anastomotic leakage. Thus, the routine use of a protective stoma and pelvic drainage might be unnecessary.
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Affiliation(s)
- Varut Lohsiriwat
- Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand.
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Akaraviputh T, Lohsiriwat V, Swangsri J, Methasate A, Leelakusolvong S, Lertakayamanee N. The learning curve for safety and success of precut sphincterotomy for therapeutic ERCP: a single endoscopist's experience. Endoscopy 2008; 40:513-6. [PMID: 18464194 DOI: 10.1055/s-2007-995652] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
STUDY AIMS The aims of this study were to evaluate the efficacy and safety of precut sphincterotomy in relation to the experience of a single endoscopist, and to establish the number of procedures required before achieving an effective and safe precut sphincterotomy. METHODS A total of 200 consecutive patients underwent precut sphincterotomy carried out by a single endoscopist (T.A.) between January 2003 and December 2005. All of the procedures were divided into four chronological groups of 50 (Group I, II, III, and IV). Medical records and patient data were retrospectively reviewed and included procedure indications, outcomes, and complications. All patients were admitted for observation after the procedure in case of complications. RESULTS A total of 200 patients (23.3%) (mean age 58.5 years; 101 men) underwent precut sphincterotomy (161 with needle-knife technique, 32 with septotomy technique, and seven with Erlangen technique). There was no mortality. The success rates of prompt bile duct cannulation after precut sphincterotomy were 88%, 86%, 94%, and 82%, respectively ( P > 0.05). Immediate bleeding requiring a submucosal adrenaline injection was observed in combined group I - II (28%) and combined group III - IV (7%) ( P < 0.05). One patient (2%) from each of group I, III, and IV required further endoscopic treatment for rebleeding. Duodenal perforation (2%) was detected and conservatively treated in one patient from group II. Mild pancreatitis was found in one patient (2%) in group III. CONCLUSIONS The success rates of bile duct cannulation by precut sphincterotomy were not associated with the experience of the endoscopist. The postprocedural complications significantly decreased after the first 100 procedures. An experience of at least 100 procedures is suggested to achieve a safe precut sphincterotomy.
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Affiliation(s)
- T Akaraviputh
- Siriraj GI Endoscopy Center, Department of Surgery, Siriraj Hospital, Mahidol University, Bangkok, Thailand.
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Lohsiriwat V, Lohsiriwat D, Boonnuch W, Chinswangwatanakul V, Akaraviputh T, Lert-akayamanee N. Pre-operative hypoalbuminemia is a major risk factor for postoperative complications following rectal cancer surgery. World J Gastroenterol 2008; 14:1248-51. [PMID: 18300352 PMCID: PMC2690674 DOI: 10.3748/wjg.14.1248] [Citation(s) in RCA: 93] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To determine the relationship between pre-operative hypoalbuminemia and the development of complications following rectal cancer surgery, as well as postoperative bowel function and hospital stay.
METHODS: The medical records of 244 patients undergoing elective oncological resection for rectal adenocarcinoma at Siriraj Hospital during 2003 and 2006 were reviewed. The patients had pre-operative serum albumin assessment. Albumin less than 35 g/L was recognized as hypoalbuminemia. Postoperative outcomes, including mortality, complications, time to first bowel movement, time to first defecation, time to resumption of normal diet and length of hospital stay, were analyzed.
RESULTS: The patients were 139 males (57%) and 105 females (43%) with mean age of 62 years. Fifty-six patients (23%) had hypoalbuminemia. Hypoalbuminemic patients had a significantly larger tumor size and lower body mass index compared with non-hypoalbuminemic patients (5.5 vs 4.3 cm; P < 0.001 and 21.9 vs 23.2 kg/m2; P = 0.02, respectively). Thirty day postoperative mortality was 1.2%. Overall complication rate was 25%. Hypoalbuminemic patients had a significantly higher rate of postoperative complications (37.5% vs 21.3%; P = 0.014). In univariate analysis, hypoalbuminemia and ASA status were two risk factors for postoperative complications. In multivariate analysis, hypoalbuminemia was the only significant risk factor (odds ratio 2.22, 95% CI 1.17-4.23; P < 0.015). Hospitalization in hypoalbuminemic patients was significantly longer than that in non-hypoalbuminemic patients (13 vs 10 d, P = 0.034), but the parameters of postoperative bowel function were not significantly different between the two groups.
CONCLUSION: Pre-operative hypoalbuminemia is an independent risk factor for postoperative complications following rectal cancer surgery.
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