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Kawai T, Kawai Y, Akimito Y, Hamada M, Iwata E, Niikura R, Nagata N, Sugimoto M, Yanagisawa K, Fukuzawa M, Itoi T. Investigation of the relationship between colonoscopy insertion difficulty factors and endoscope shape using an endoscopic position detection unit. J Clin Biochem Nutr 2024; 74:245-252. [PMID: 38799137 PMCID: PMC11111465 DOI: 10.3164/jcbn.23-109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Accepted: 12/12/2023] [Indexed: 05/29/2024] Open
Abstract
In this study, we investigated the relationship between the cecal intubation time (CIT) and the form and method used for passing through the sigmoid/descending colon junction (SDJ) and the hepatic flexure using an endoscopic position detection unit (UPD), with reference to various factors [age, sex, body mass index (BMI), history of abdominal and pelvic surgery, and diverticulum]. A total of 152 patients underwent colonoscopy with UPD. The mean age was 66.9 ± 12.4 years, and the male to female ratio was 3.6:1. The average CIT time was 14.3 ± 8.2 min. Age, number of experienced endoscopies, history of abdominal and pelvic surgery, BMI, and diverticulum were associated with prolonged CIT; SDJ passage pattern was straight: 8.6 ± 5.0, alpha loop: 11.8 ± 5.6, puzzle ring-like loop: 20.2 ± 5.0, reverse alpha loop: 22.4 ± 9.7, and other loop: 24.7 ± 10.5. The hepatic flexure passing method was in the following order: right rotation maneuver: 12.6 ± 6.6, push maneuver: 15.1 ± 5.9, and right rotation with positional change maneuver: 20.5 ± 7.2. In conclusion, colonoscopy with UPD revealed an association between CIT and SDJ passage pattern and hepatic flexure passing method.
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Affiliation(s)
- Takashi Kawai
- Department of Gastroenterological Endoscopy, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo 160-0023, Japan
| | - Yusuke Kawai
- Department of Gastroenterological Endoscopy, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo 160-0023, Japan
| | - Yoshika Akimito
- Department of Gastroenterological Endoscopy, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo 160-0023, Japan
| | - Mariko Hamada
- Department of Gastroenterological Endoscopy, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo 160-0023, Japan
| | - Eri Iwata
- Department of Gastroenterological Endoscopy, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo 160-0023, Japan
| | - Ryota Niikura
- Department of Gastroenterological Endoscopy, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo 160-0023, Japan
| | - Naoyoshi Nagata
- Department of Gastroenterological Endoscopy, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo 160-0023, Japan
| | - Mitsushige Sugimoto
- Department of Gastroenterological Endoscopy, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo 160-0023, Japan
| | - Kyosuke Yanagisawa
- Department of Gastroenterological Endoscopy, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo 160-0023, Japan
| | - Masakatsu Fukuzawa
- Department of Gastroenterology and Hepatology, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo 160-0023, Japan
| | - Takao Itoi
- Department of Gastroenterology and Hepatology, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo 160-0023, Japan
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Gao C, Zou D, Cao R, Li Y, Su D, Han J, Gao F, Qi X. Effect of Body Mass Index on Cecal Intubation Time During Unsedated Colonoscopy: Variation Across the Learning Stages of an Endoscopist. Med Sci Monit 2024; 30:e942661. [PMID: 38520116 PMCID: PMC10944010 DOI: 10.12659/msm.942661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Accepted: 01/03/2024] [Indexed: 03/25/2024] Open
Abstract
BACKGROUND Body mass index (BMI) and endoscopists' experiences can be associated with cecal intubation time (CIT), but such associations are controversial. This study aimed to clarify the association between BMI and CIT during unsedated colonoscopy at 3 learning stages of a single endoscopist. MATERIAL AND METHODS A total of 1500 consecutive patients undergoing unsedated colonoscopy by 1 endoscopist at our department from December 11, 2020, to August 21, 2022, were reviewed. They were divided into 3 learning stages according to the number of colonoscopies performed by 1 endoscopist, including intermediate (501-1000 colonoscopies), experienced (1001-1500 colonoscopies), and senior stages (1501-2000 colonoscopies). Variables that significantly correlated with CIT were identified by Spearman rank correlation analyses and then included in multiple linear regression analysis. RESULTS Overall, 1233 patients were included. Among them, 392, 420, and 421 patients were divided into intermediate, experienced, and senior stages, respectively. Median CIT was 7.83, 6.38, and 5.58 min at intermediate, experienced, and senior stages, respectively (P.
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Affiliation(s)
- Cong Gao
- Department of Gastroenterology, General Hospital of Northern Theater Command, Shenyang, Liaoning, PR China
- Postgraduate College, Dalian Medical University, Dalian, Liaoning, PR China
| | - Deli Zou
- Department of Gastroenterology, General Hospital of Northern Theater Command, Shenyang, Liaoning, PR China
| | - Rongrong Cao
- Department of Gastroenterology, General Hospital of Northern Theater Command, Shenyang, Liaoning, PR China
| | - Yingchao Li
- Department of Gastroenterology, General Hospital of Northern Theater Command, Shenyang, Liaoning, PR China
| | - Dongshuai Su
- Department of Gastroenterology, General Hospital of Northern Theater Command, Shenyang, Liaoning, PR China
| | - Jie Han
- Department of Gastroenterology, General Hospital of Northern Theater Command, Shenyang, Liaoning, PR China
| | - Fei Gao
- Department of Gastroenterology, General Hospital of Northern Theater Command, Shenyang, Liaoning, PR China
| | - Xingshun Qi
- Department of Gastroenterology, General Hospital of Northern Theater Command, Shenyang, Liaoning, PR China
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Wang X, Zhang M, Sun H, Zhang R, Zhu Y, Zhang Z, Shi R. Dexmedetomidine-Oxycodone combination for conscious sedation during colonoscopy in obese patients: A randomized controlled trial. Heliyon 2023; 9:e16370. [PMID: 37251861 PMCID: PMC10209023 DOI: 10.1016/j.heliyon.2023.e16370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 04/20/2023] [Accepted: 04/27/2023] [Indexed: 05/31/2023] Open
Abstract
Background Obesity is a risk factor for sedation-related respiratory depression during colonoscopy. In a colonoscopy, propofol is frequently used because of its strong sedative and hypnotic properties. However, propofol is associated with marked respiratory depression. The objective of this trial was to investigate the effectiveness and safety of dexmedetomidine plus oxycodone for conscious sedation during colonoscopy in obese patients. Methods A total of 120 patients had colonoscopies, and they were divided into two groups at random: Dexmedetomidine and oxycodone were used to sedate group Dex + oxy; while group Pro + oxy received anesthesia with propofol plus oxycodone. Parameters including blood pressure, heart rate, respiration, blood oxygen saturation, injection pain, and recovery time were recorded for both groups. Results The incidence of hypoxemia was significantly reduced in group Dex + oxy compared with group Pro + oxy (4.9% vs 20.3%, P = 0.011). Blood pressure was lower, and heart rate was higher in group Pro + oxy compared with group Dex + oxy (P < 0.05). In addition, group Dex + oxy showed a significantly shorter caecal insertion time, recovery time to orientation, and recovery time to walking than group Pro + oxy (P < 0.05). Endoscopist satisfaction scores were significantly higher in group Dex + oxy compared with group Pro + oxy (P = 0.042). Conclusion For obese patients, dexmedetomidine plus oxycodone effectively sedate them with few adverse effects, while also reducing colonoscopy operation difficulty by allowing obese patients to reposition. Thus, dexmedetomidine plus oxycodone could be used safely as a conscious sedation method for colonoscopy in obese patients. Trial registration The protocol was registered at www.chictr.org.cn (ChiCTR1800017283, July 21, 2018).
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Affiliation(s)
- Xinran Wang
- Shanghai Tenth People's Hospital of Tongji University, Tongji University School of Medicine, Shanghai, China
| | - Manman Zhang
- Department of Gastroenterology, Xuzhou Central Hospital, Xuzhou, China
| | - Han Sun
- Department of Gastroenterology, Xuzhou Central Hospital, Xuzhou, China
| | - Rui Zhang
- Department of Gastroenterology, Suqian Hospital of Nanjing Drum Tower Hospital Group, Suqian, China
| | - Yangzi Zhu
- Department of Anesthesiology, Xuzhou Central Hospital, Xuzhou, China
| | - Zhen Zhang
- Department of Anesthesiology, Suqian Hospital of Nanjing Drum Tower Hospital Group, Suqian, China
| | - Rongxia Shi
- Department of Endoscopy Center, Xuzhou Central Hospital, Xuzhou, China
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Wang K, Xu WT, Kou WJ, Qi XS. Factors affecting cecal intubation time during colonoscopy. Shijie Huaren Xiaohua Zazhi 2023; 31:105-112. [DOI: 10.11569/wcjd.v31.i3.105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
In recent years, the morbidity and mortality of colorectal cancer (CRC) have increased significantly in China, and it has become one of the major malignancies that threaten the health of residents. Colonoscopy is the gold standard for the diagnosis of CRC. High-quality colonoscopy can effectively reduce the mortality of CRC. Cecal intubation time (CIT) is one of the indicators to reflect the quality of colonoscopy. Studies have found that many factors can affect CIT. This paper reviews the literature to identify the factors that affect CIT, such as those related to doctors, patients, assistive technologies, and equipment, in order to improve the quality of colonoscopy performed by endoscopists.
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Affiliation(s)
- Ke Wang
- Department of Gastroenterology, General Hospital of Northern Theater Command, Shenyang 110840, Liaoning Province, China,Postgraduate College, China Medical University, Shenyang 110122, Liaoning Province, China
| | - Wen-Tao Xu
- Department of Gastroenterology, General Hospital of Northern Theater Command, Shenyang 110840, Liaoning Province, China,Postgraduate College, Shenyang Pharmaceutical University, Shenyang 110016, Liaoning Province, China
| | - Wen-Jing Kou
- Department of Gastroenterology, General Hospital of Northern Theater Command, Shenyang 110840, Liaoning Province, China
| | - Xing-Shun Qi
- Department of Gastroenterology, General Hospital of Northern Theater Command, Shenyang 110840, Liaoning Province, China
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Cheng TF, Cheng KS. A randomized prospective study comparing single-balloon-assisted colonoscopy and cap-assisted colonoscopy in patients with previous incomplete conventional colonoscopy. J Gastroenterol Hepatol 2023; 38:225-232. [PMID: 36398729 DOI: 10.1111/jgh.16062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 11/01/2022] [Accepted: 11/14/2022] [Indexed: 11/19/2022]
Abstract
INTRODUCTION Cecal intubation may be unsuccessful by conventional colonoscopy in some patients. Single-balloon-assisted colonoscopy (SBC) and cap-assisted colonoscopy (CAC) were studied to solve this problem. There was no head-to-head comparison between them. METHODS We conducted a randomized study from 2018 to 2021 to compare cecal intubation rate of SBC and CAC in patients with previous incomplete conventional colonoscopy. We recruited patients with incomplete conventional colonoscopy in two hospitals in Hong Kong. Patients were randomized into SBC group and CAC group in 1:1 ratio. In the case of failure in cecal intubation by allocated method, alternative modality would be performed as rescue. RESULTS Forty-four patients were recruited. Cecal intubation rate was superior in SBC group (22/22, 100%) than CAC group (16/22, 72.7%) (P = 0.02). No difference in cecal intubation time, polyp detection rate, and diagnostic gain in area not examined previously. SBC induced less discomfort (modified Gloucester comfort score 2.14 vs 2.63, P = 0.03) with use of comparable amount of midazolam and fentanyl as CAC. For patients failed cecal intubation by CAC, all (n = 6) were rescued successfully by SBC. Body weight, body mass index (BMI), and waist circumference were greater in rescue subgroup. More patients were obese (BMI ≥ 25 kg/m) in rescue subgroup (67% vs 19%). None in rescue subgroup had history of successful cecal intubation by conventional colonoscopy (0% vs 56%, P = 0.046). However, we failed to demonstrate significant association in multivariate analysis owing to small sample size. No adverse event was noted. CONCLUSION SBC is superior to CAC in cecal intubation in patients with previous incomplete conventional colonoscopy.
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Affiliation(s)
- Tsz Fai Cheng
- Department of Medicine and Geriatrics, Tuen Mun Hospital, Tuen Mun, Hong Kong
| | - Ka Shing Cheng
- Department of Medicine and Geriatrics, Tuen Mun Hospital, Tuen Mun, Hong Kong
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Passi M, Rahman F, Koh C, Kumar S. Efficacy and tolerability of colonoscopies in overweight and obese patients: Results from a national database on gastrointestinal endoscopic outcomes. Endosc Int Open 2022; 10:E311-E320. [PMID: 35433209 PMCID: PMC9010095 DOI: 10.1055/a-1672-3525] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Accepted: 09/17/2021] [Indexed: 12/18/2022] Open
Abstract
Background and study aims Gastroenterologists are encountering a rising number of obese patients requiring colonoscopy. Existing literature regarding colonoscopy outcomes in this population is scant and conflicting. We analyzed a nationwide cohort of patients to identify the effects of body mass index (BMI) on colonoscopy success, efficacy, and tolerability. Patients and methods The Clinical Outcomes Research Initiative (CORI) endoscopic database was queried for all colonoscopies in adults between 2008-2014. Patients were stratified into four cohorts based on BMI classification for comparison. Multivariable analysis was performed to identify the effect of BMI on procedure outcome, efficacy and tolerability. Results Of 41,401 procedures, 27,696 met study inclusion criteria. Of these, 49.4 % were performed for colorectal cancer screening, most commonly under anesthesia directed sedation. Patient discomfort was the reason for an incomplete colonoscopy in 18.7 % of all cases, and more frequent among the overweight and obese cohorts. An inadequate bowel preparation was most common in the class III obesity cohort. Compared to the normal BMI group, a BMI ≥ 30 and < 40 kg/m 2 was associated with an increased odds of an incomplete colonoscopy ( P = 0.001for overweight, P = 0.0004 for class I/II obesity), longer procedure ( P < 0.05 for all) and poorer tolerance ( P < 0.0001 for class I/II obesity, P = 0.016 for class III obesity). Anesthesia-administered sedation was more commonly used than endoscopist directed sedation amongst the obese cohort compared with the normal BMI cohort ( P < 0.0001). Conclusions Endoscopists should consider the increased odds of incomplete colonoscopy, longer procedures, and poorer tolerance when performing colonoscopy in obese patients to improve clinical management and procedural outcome.
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Affiliation(s)
- Monica Passi
- Digestive Diseases Branch, National Institute of Diabetes & Digestive & Kidney Diseases, National Institutes of Health, Bethesda, Maryland, United States
| | - Farial Rahman
- Digestive Diseases Branch, National Institute of Diabetes & Digestive & Kidney Diseases, National Institutes of Health, Bethesda, Maryland, United States
| | - Christopher Koh
- Digestive Diseases Branch, National Institute of Diabetes & Digestive & Kidney Diseases, National Institutes of Health, Bethesda, Maryland, United States
| | - Sheila Kumar
- Digestive Diseases Branch, National Institute of Diabetes & Digestive & Kidney Diseases, National Institutes of Health, Bethesda, Maryland, United States
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Abstract
The time required to intubate the cecum varies. The aim of this study was to determine whether demographic and anthropometric factors, such as body mass index (BMI), percent body fat, muscle mass, and fat mass, affect the cecal intubation time (CIT) during complete colonoscopy.A retrospective chart review of 1229 patients (aged 40-80 years) was performed. These patients underwent average-risk screening colonoscopies performed by expert gastroenterologists at Health Check-up Center, Seoul National University Bundang Hospital, during a health check-up. We collected data on age, sex, BMI, percent body fat, muscle mass, fat mass, history of prior abdominal or pelvic surgery, CIT, and bowel preparation quality (Boston Bowel Preparation Scale [BBPS] score).Of the 1229 patients, 62% were men. The mean age was 55 years, and the mean BMI was 24 kg/m2. The median CIT was 5 min. The patients were categorized into two groups according to CIT: easy colonoscopy (CIT ≤ 10 min) and difficult colonoscopy (CIT > 10 min). In univariate analysis, CIT was prolonged by the following factors: older age, poor bowel preparation, lower BMI, lower percent body fat, and less fat mass. Multivariate analysis showed that anthropometric indices including BMI, percent body fat, muscle mass, and fat mass were not significant factors for CIT. Older age (≥ 70 years) (odds ratio [OR]: 2.272, 95% confidence interval [CI]: 1.056-4.890, P = .036) and poor bowel preparation (BBPS score ≤ 5) (OR: 3.817, 95% CI: 1.866-7.808, P = .000) were found to be correlated with difficult colonoscopy.Our study suggests that anthropometric indices including BMI, percent body fat, muscle mass, and fat mass are not associated with significantly different CIT. Furthermore, sex and prior abdominal or pelvic surgery are not useful factors for a prolonged CIT. Older age (≥ 70 years) and poor bowel preparation (BBPS score ≤ 5) are significant variables predicting the CIT of expert gastroenterologists.
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Impact of obesity in colorectal endoscopic submucosal dissection: single-center retrospective cohort study. BMC Gastroenterol 2021; 21:74. [PMID: 33593282 PMCID: PMC7885483 DOI: 10.1186/s12876-021-01652-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Accepted: 02/02/2021] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND When performing colorectal endoscopic submucosal dissection (ESD) in obese patients, technically difficult cases are sometimes experienced because of difficulty with the insertion of the colonoscope, poor scope maneuverability, or an abundance of fat tissue in the submucosal layer. Since the association between obesity and colorectal ESD has not been investigated, we evaluated the clinical impact of obesity in patients who underwent colorectal ESD. METHODS We retrospectively reviewed 535 patients who underwent colorectal ESD between April 2012 and February 2019. Patients were divided into three groups based on their body mass index (BMI): a control group (BMI < 25 kg/m2), an overweight group (25 kg/m2 ≤ BMI < 30 kg/m2), and an obese group (BMI ≥ 30 kg/m2), and the short-term clinical outcomes were analyzed to assess the safety and difficulty of colorectal ESD. RESULTS No significant difference in the procedure times, en bloc resection rates, pathological diagnoses, or complications were seen among the groups. While the amount of sedative per body weight was significantly lower in the group with a higher BMI (flunitrazepam: 1.75 × 10-2 [1.27 × 10-2-2.34 × 10-2] mg/kg vs. 1.48 × 10-2 [1.08 × 10-2-2.03 × 10-2] mg/kg vs. 1.16 × 10-2 [0.98 × 10-2-1.54 × 10-2] mg/kg, P < 0.001; pethidine: 0.63 [0.55-0.72] mg/kg vs. 0.50 [0.46-0.56] mg/kg vs. 0.39 [0.32-0.45] mg/kg, P < 0.001), a reduction in percutaneous arterial oxygen saturation occurred significantly more frequently in the group with a higher BMI (123 [30.2%] vs. 43 [43.9%] vs. 10 [55.6%], P = 0.005). When the procedures were performed by trainees, the number of cases that required a procedure time of longer than 90 min was significantly larger in the group with a higher BMI (27 [10.8%] vs. 14 [21.9%] vs. 3 [25.0%], P = 0.033). CONCLUSIONS This study showed that colorectal ESD could be performed safely and effectively in obese patients. However, ESD in obese patients requires attention, particularly to changes in respiratory conditions.
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Zad M, Do CN, Heffernan A, Johnston L, Al-Ansari M. Factors affecting bowel preparation adequacy and procedural time. JGH OPEN 2020; 4:206-214. [PMID: 32280766 PMCID: PMC7144787 DOI: 10.1002/jgh3.12241] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Revised: 06/09/2019] [Accepted: 06/30/2019] [Indexed: 12/17/2022]
Abstract
Background and Aim Poor bowel preparation results in difficult colonoscopies, missed lesions, and repeat procedures. Identifying patient risk factors for poor bowel preparation, such as prolonged runway time and prolonged cecal intubation, will aid in interventions prior to a procedure. Methods This was a retrospective, single‐center analysis of 3 295 colonoscopies performed between May 2012 and November 2014. Indications for colonoscopy included gastrointestinal bleed and anemia, change in bowel habits, for screening, and others (including planning re‐anastomoses, abdominal distension, family history and angioectasias). Data were collected from medical charts and endoscopy reports. Comparisons between patient factors and runway time were made with adequacy of bowel preparation as the primary outcomes. Results Male and diabetic patients had statistically higher rates of inadequate bowel preparation and prolonged cecal intubation times. A previous history of abdominal surgery also demonstrated prolonged cecal intubation. A runway time of ≤7.63 h was associated with higher rates of adequate bowel preparation by multivariate analysis. The optimal time frame is 3–6 h for the highest success rates. Conclusion Patient risk factors for inadequate bowel preparation or prolonged cecal intubation should signal clinicians to intervene prior to colonoscopy. A runway time between 3 and 6 h is optimal for adequate bowel preparation. This may involve further patient education, along with work flow optimization, to facilitate ideal runway times. Future studies should explore how to avoid repeat endoscopies using protocols enforcing this timeframe.
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Affiliation(s)
- Mohammadali Zad
- Gastroenterology, Logan Hospital Brisbane Queensland Australia
| | - Cuong N Do
- General Medicine, Princess Alexandra Hospital Brisbane Queensland Australia
| | - Aaron Heffernan
- School of Medicine Griffith University Gold Coast Queensland Australia
| | - Lucy Johnston
- Paediatrics, Monash Hospital Melbourne Victoria Australia
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Nam JH, Lee JH, Kim JH, Kang HW, Jang DK, Lim YJ, Koh MS, Park HS, Park EC, Lee JK, Lee JH. Factors for cecal intubation time during colonoscopy in women: Impact of surgical history. Saudi J Gastroenterol 2019; 25:377-383. [PMID: 31044751 PMCID: PMC6941456 DOI: 10.4103/sjg.sjg_9_19] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
BACKGROUND/AIM Cecal intubation during colonoscopy is prone to be prolonged in women, which may be related to frequent exposure to pelvic/abdominal surgery. We evaluated the association between Cecal Intubation Time (CIT) and prior episodes of pelvic/abdominal surgery in women. PATIENTS AND METHODS A cross-sectional study was conducted on screening participants who underwent colonoscopy. Multivariate regression with parameter estimates (β) was performed to determine the factors affecting CIT, including age, body mass index (BMI), bowel preparation, sedation, diverticulosis, experience of colonoscopists, and a surgical history. Also, subgroup analyses according to type of surgery were performed. RESULTS A total of 835 women were enrolled. The mean CIT was 5.82 ± 3.40 min. 323 females (38.7%) had episodes of surgery. The CIT was prolonged in cases performed by non-experienced trainees (β = 3.61, P< 0.001) and with a history of gynecological surgery (β = 0.97, P = 0.001). In the subgroup of non-experienced trainees, lower BMI, poor preparation, and a history of cesarean section significantly prolonged the CIT. Also, the risk for difficult colonoscopy (CIT ≥ 15 min) was increased with a history of cesarean section (odds ratio = 4.43, P= 0.024). CONCLUSION A prior episode of gynecological surgery prolonged CIT. Also, cesarean section history was associated with difficult colonoscopy in the examination by non-experienced trainees.
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Affiliation(s)
- Ji Hyung Nam
- Department of Internal Medicine, Dongguk University Ilsan Hospital, Goyang, Republic of Korea,Department of Medicine, Graduate School, Yonsei University, Seoul, Republic of Korea
| | - Jung Hyeon Lee
- Department of Internal Medicine, Dongguk University Ilsan Hospital, Goyang, Republic of Korea
| | - Jae Hak Kim
- Department of Internal Medicine, Dongguk University Ilsan Hospital, Goyang, Republic of Korea
| | - Hyoun Woo Kang
- Department of Internal Medicine, Dongguk University Ilsan Hospital, Goyang, Republic of Korea
| | - Dong Kee Jang
- Department of Internal Medicine, Dongguk University Ilsan Hospital, Goyang, Republic of Korea
| | - Yun Jeong Lim
- Department of Internal Medicine, Dongguk University Ilsan Hospital, Goyang, Republic of Korea
| | - Moon-Soo Koh
- Department of Internal Medicine, Dongguk University Ilsan Hospital, Goyang, Republic of Korea
| | - Hyun Soo Park
- Department of Obstetrics and Gynecology, Dongguk University Ilsan Hospital, Goyang, Republic of Korea
| | - Eun-Cheol Park
- Department of Preventive Medicine and Institute of Health Services Research, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Jun Kyu Lee
- Department of Internal Medicine, Dongguk University Ilsan Hospital, Goyang, Republic of Korea,Address for correspondence: Dr. Jun Kyu Lee, Department of Internal Medicine, Dongguk University College of Medicine, Ilsan Hospital, Dongguk-ro 27, Ilsandong-gu, Goyang-si, Gyeonggi-do - 10326, Republic of Korea. E-mail:
| | - Jin Ho Lee
- Department of Internal Medicine, Dongguk University Ilsan Hospital, Goyang, Republic of Korea
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Alvi H, Rasheed T, Shaikh MA, Ali FS, Zuberi BF, Samejo AA. Impact of bowel preparation on caecal intubation time during colonoscopy. Pak J Med Sci 2019; 35:1516-1519. [PMID: 31777485 PMCID: PMC6861472 DOI: 10.12669/pjms.35.6.1031] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Objective To determine the caecal intubation time depending on bowel preparation as per Boston Bowel Preparation Scale. Methods This cross-sectional study was conducted at Dr. Ruth K. M. Pfau, Civil Hospital Karachi between August 2018 to February 2019. A total of 201 patients were included in the study. Time was recorded from insertion of colonoscope to the time required to reach the cecum. Bowel preparation was graded during withdrawal of colonoscope by using Boston Bowel Preparation Scale. Pearson Correlation test was used to study correlation of BBPS scores with CIT, gender, BMI, adenoma and polyp detection. Results In this study 201 patients undergoing colonoscopy were included. Mean ±SD of age of patients was 36.9 ±15.8 years. Out of the 201 patients 112 (56%) were males and 89 (44%) were females. The results of our study showed that increased Boston Bowel Preparation Scale Scores were associated with decreased caecal intubation time. The mean CIT was 10.7 ±5.4 minutes and Pearson correlation was significant at 0.002. Significant correlations of BBPS were also found with BMI and adenoma detection. Conclusion The diagnostic effectiveness of colonoscopy depends upon the quality of the preparation. Good bowel preparation improves the speed of colonoscopy and its completeness.
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Affiliation(s)
- Haris Alvi
- Prof. Haris Alvi, MBBS, FCPS. Dow University of Health Sciences, Karachi, Pakistan
| | - Tazeen Rasheed
- Dr. Tazeen Rasheed Assistant Professor, Dow University of Health Sciences, Karachi, Pakistan
| | - Majid Ahmed Shaikh
- Dr. Majid Ahmed Shaikh Assistant Professor, Dow University of Health Sciences, Karachi, Pakistan
| | - Faiza Sadaqat Ali
- Dr. Faiza Sadaqat Ali Senior Registrar, Dow University of Health Sciences, Karachi, Pakistan
| | - Baber Faiyaz Zuberi
- Prof. Bader Faiyaz Zuberi, Dow University of Health Sciences, Karachi, Pakistan
| | - Asad Ali Samejo
- Dr. Asad Ali Samejo Postgraduate Trainee, Dow University of Health Sciences, Karachi, Pakistan
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Tariq H, Kamal MU, Sapkota B, ElShikh F, Pirzada UA, Pullela N, Azam S, Zhang A, Baiomi A, Abbas H, Makker J, Balar B, Ihimoyan A, Daniel M, Dev A. Evaluation of the combined effect of factors influencing bowel preparation and adenoma detection rates in patients undergoing colonoscopy. BMJ Open Gastroenterol 2019; 6:e000254. [PMID: 30740233 PMCID: PMC6347943 DOI: 10.1136/bmjgast-2018-000254] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Revised: 12/05/2018] [Accepted: 12/13/2018] [Indexed: 12/18/2022] Open
Abstract
Background Colonoscopy is a commonly used modality for screening and surveillance of colorectal cancer (CRC). Therefore, it is essential to have adequate bowel preparation (prep) for the procedure which depends on type of bowel regimens, diet before colonoscopy and timing of the procedure. Aims The purpose of this study is to analyse the effect of multiple factors on adenoma detection rate (ADR) and prep quality of colonoscopy. This is the also the first study determining outcomes based on various combinations of diet, timing of the procedure and bowel prep regimens. Methods This is a retrospective single-centre observational study. Data about diet before procedure, bowel prepprep regimen and timing of the procedure was collected for patients coming for screening colonoscopy. Results Patients with split prep had higher good prep rates (73.8% vs 56.2%) and higher ADRs (34.2 % vs 29.9%) as compared with non-split prep. The good prep quality (65.8% vs 62.1%) and ADRs (31.9% vs 31.5%) were comparable in patients who received clear liquid diet as compared with low residue diet. The good results of bowel prep were obtained with split prep with either clear liquids or low residue diet irrespective of the timing of procedure. The poor prep was noticed in patients who underwent procedure in afternoon, with a low restrictive diet and non-split bowel regimen. Conclusions The current study adds to our knowledge about the combined effect of multiple variables affecting the bowel prep quality and ADR. It is imperative to opt for the best combination required for colonoscopy, as this will influence the effectiveness of colonoscopies regarding timely cancer detection and prevention.
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Affiliation(s)
- Hassan Tariq
- Department of Medicine, BronxCare Health System, New York City, New York, USA.,Division of Gastroenterology, Department of Medicine, BronxCare Health System, New York City, New York, USA
| | - Muhammad Umar Kamal
- Department of Medicine, BronxCare Health System, New York City, New York, USA
| | - Binita Sapkota
- Department of Medicine, BronxCare Health System, New York City, New York, USA
| | - Fady ElShikh
- Department of Medicine, BronxCare Health System, New York City, New York, USA
| | - Usman Ali Pirzada
- Department of Medicine, BronxCare Health System, New York City, New York, USA
| | - Nanda Pullela
- Department of Medicine, BronxCare Health System, New York City, New York, USA
| | - Sara Azam
- Department of Medicine, BronxCare Health System, New York City, New York, USA
| | - Aiyi Zhang
- Department of Medicine, BronxCare Health System, New York City, New York, USA
| | - Ahmed Baiomi
- Department of Medicine, BronxCare Health System, New York City, New York, USA.,Division of Gastroenterology, Department of Medicine, BronxCare Health System, New York City, New York, USA
| | - Hafsa Abbas
- Department of Medicine, BronxCare Health System, New York City, New York, USA.,Division of Gastroenterology, Department of Medicine, BronxCare Health System, New York City, New York, USA
| | - Jasbir Makker
- Department of Medicine, BronxCare Health System, New York City, New York, USA.,Division of Gastroenterology, Department of Medicine, BronxCare Health System, New York City, New York, USA
| | - Bhavna Balar
- Department of Medicine, BronxCare Health System, New York City, New York, USA.,Division of Gastroenterology, Department of Medicine, BronxCare Health System, New York City, New York, USA
| | - Ariyo Ihimoyan
- Department of Medicine, BronxCare Health System, New York City, New York, USA.,Division of Gastroenterology, Department of Medicine, BronxCare Health System, New York City, New York, USA
| | - Myrta Daniel
- Department of Medicine, BronxCare Health System, New York City, New York, USA.,Division of Gastroenterology, Department of Medicine, BronxCare Health System, New York City, New York, USA
| | - Anil Dev
- Department of Medicine, BronxCare Health System, New York City, New York, USA.,Division of Gastroenterology, Department of Medicine, BronxCare Health System, New York City, New York, USA
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Ribbing Wilén H, Blom J, Höijer J, Hultcrantz R. Fecal immunochemical test in colorectal cancer screening: Colonoscopy findings by different cut-off levels. J Gastroenterol Hepatol 2019; 34:103-112. [PMID: 29968937 DOI: 10.1111/jgh.14373] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2018] [Revised: 06/20/2018] [Accepted: 06/23/2018] [Indexed: 12/20/2022]
Abstract
BACKGROUND AND AIM Fecal immunochemical test (FIT) is used in colorectal cancer (CRC) screening, but number of tests and cut-off level differ by program. The aim was to evaluate CRC screening with two FIT samples in average-risk 60-year-old men and women and to investigate hemoglobin (Hb) level in correlation to adenoma characteristics. METHODS We analyzed a cohort from Screening of Swedish Colons trial where participants with at least one of two FIT samples ≥10 μg Hb/g are offered colonoscopy. FIT levels and colonoscopy findings were assessed in multivariable analyses. Cut-off levels 10-80 μg Hb/g for one and two samples were assessed. FIT levels and advanced neoplasia (AN) were investigated by gender. RESULTS A total of 12 383 participated and 1182 positives (551 women) completed colonoscopy diagnosing 27 (2.3%) CRC and 269 (23%) advanced adenomas (AA). Median FIT level was 241.0 and 23.8 for CRC and AA compared with 13.4-15.8 in other subgroups (P = 0.002) correlating with adenoma size (P = 0.038). CRC was detected in 22 and 19 subjects for the first sample at cut-off 20 and 40 μg Hb/g, compared with 20 and 17 for the mean of two samples at cut-off 40 and 80 μg Hb/g (P < 0.05). Men had more AN (CRC + AA), (P = 0.003). In women, similar number of AN would be detected with cut-off lowered from 40 to 20 or from 80 to 40 μg Hb/g, requiring additional 26-34% colonoscopies. CONCLUSION In average-risk 60-year-olds, FIT was higher in participants with AN and correlated with adenoma size. FIT screening with one sample at low cut-off detected more CRC than two samples at higher cut-off. Applying lower cut-off in women to equalize gender differences in AN would result in considerable increase in colonoscopy workload.
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Affiliation(s)
- Hanna Ribbing Wilén
- Department of Clinical Science, Intervention and Technology, Karolinska Institute, and Trauma and Reparative Medicine, Karolinska University Hospital Huddinge, Stockholm, Sweden
| | - Johannes Blom
- Department of Molecular Medicine and Surgery, Karolinska Institute and Stockholm County Council, Stockholm, Sweden
| | - Jonas Höijer
- Unit of Biostatistics, Institute of Environmental Medicine, Karolinska Institute, Stockholm, Sweden
| | - Rolf Hultcrantz
- Department of Medicine, Karolinska Institute, Stockholm, Sweden
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Karapolat B, Küçüktülü Ü. Effects of body mass index on cecal intubation time in women. Turk J Surg 2018; 34:94-96. [PMID: 30023970 DOI: 10.5152/turkjsurg.2018.3781] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2016] [Accepted: 03/03/2017] [Indexed: 12/26/2022]
Abstract
Objective During colonoscopy, cecal intubation time is prolonged with increase in difficulty of the procedure. Cecal intubation time may be affected by age, gender, and body structure. We investigated the relationship between body mass index and cecal intubation time in women. Material and Methods This prospective study included 61 women who underwent colonoscopy in the endoscopy unit of the General Surgery Clinic in Trabzon Kanuni Training and Research Hospital between January 2016 and September 2016. The colonoscopies were performed by a single surgeon. The height and weight of all the participants were measured, and their body mass index values were calculated before the procedure. The timer was activated as soon as entry was made from the anal region with colonoscope and stopped when the cecum was reached. The cecal intubation time was recorded for each subject. The results were evaluated statistically, and p<0.05 was considered to be significant. Results The mean body mass index was 29.6±6.8 kg/m2. The median cecal intubation time was 4 min. (minimum 2 min; maximum 8 min). A significantly strong positive correlation was found between body mass index and cecal intubation time (r:-0.891, p<0.001). Conclusion Cecal intubation time was found to be shorter in women whose body mass index values were high. This outcome may help to eliminate the "the colonoscopy will be difficult" preconception, which is common among endoscopists with regard to the colonoscopies for obese female patients.
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Affiliation(s)
- Banu Karapolat
- Clinic of General Surgery, Kanuni Training and Research Hospital, Trabzon, Turkey
| | - Üzer Küçüktülü
- Clinic of General Surgery, Kanuni Training and Research Hospital, Trabzon, Turkey
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Abstract
PURPOSE Cecal intubation time (CIT) is an indicator for difficult colonoscopy which is associated with patients' unpleasant experience as well as increased risk of complications. Several studies have attempted to identify predictors for prolonged CIT but those studies tended to be small which gave rise to inconsistent and underpowered results. This systematic review and meta-analysis was conducted to summarize all available data. METHODS MEDLINE and EMBASE databases were searched through November 2017 for studies that investigated the factors for prolonged CIT. Only factors that were reported by at least three studies were included in the meta-analyses. Pooled mean difference (MD) and 95% confidence interval (CI) were calculated using random effects model. The between-study heterogeneity of effect size was quantified using the Q statistic and I2. RESULTS A total of nine studies involving 7131 patients were included. A total of six factors were analyzed. Patients with older age (≥ 65 versus < 65), female sex (versus male), low body mass index (BMI) (< 25 versus ≥ 25 kg/m2), and poor bowel preparation (versus fair to good) had significantly longer CIT. The presence of diverticulosis and prior abdominal surgery were not significantly associated with prolonged CIT. CONCLUSIONS The current meta-analyses have demonstrated that old age, female sex, low BMI, and poor bowel preparation were the predictors for prolonged CIT.
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Cecal intubation time between cap-assisted water exchange and water exchange colonoscopy: a randomized-controlled trial. Eur J Gastroenterol Hepatol 2017; 29:1296-1302. [PMID: 28857895 DOI: 10.1097/meg.0000000000000954] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND AND AIM The water exchange (WE) method can decrease the discomfort of the patients undergoing colonoscopy. It also provides salvage cleansing and improves adenoma detection, but a longer intubation time is required. Cap-assisted colonoscopy leads to a significant reduction in cecal intubation time compared with traditional colonoscopy with air insufflation. The aim of this study was to investigate whether combined cap-assisted colonoscopy and water exchange (CWE) could decrease the cecal intubation time compared with WE. PATIENTS AND METHODS A total of 120 patients undergoing fully sedated colonoscopy at a regional hospital in southern Taiwan were randomized to colonoscopy with either CWE (n=59) or WE (n=61). The primary endpoint was cecal intubation time. RESULTS The mean cecal intubation time was significantly shorter in CWE (12.0 min) compared with WE (14.8 min) (P=0.004). The volume of infused water during insertion was lower in CWE (840 ml) compared with WE (1044 ml) (P=0.003). The adenoma detection rate was 50.8 and 47.5% for CWE and WE, respectively (P=0.472). The Boston Bowel Preparation Scale scores were comparable in the two groups. Results from the multiple linear regression analysis indicated that WE with a cap, a higher degree of endoscopist's experience, a higher Boston Bowel Preparation Scale score, and a lower volume of water infused during insertion, without abdominal compression, without change of position, and without chronic laxative use, were significantly associated with a shorter cecal intubation time. CONCLUSION In comparison with WE, CWE could shorten the cecal intubation time and required lower volume of water infusion during insertion without compromising the cleansing effect of WE.
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López-Serrano A, Ortiz Polo I, Sanz de la Vega J, Moreno-Osset E. Role of the gastroenterologist in the management of the obese patient. GASTROENTEROLOGÍA Y HEPATOLOGÍA (ENGLISH EDITION) 2017; 40:409-416. [DOI: 10.1016/j.gastre.2017.05.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/30/2023]
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Moon SY, Kim BC, Sohn DK, Han KS, Kim B, Hong CW, Park BJ, Ryu KH, Nam JH. Predictors for difficult cecal insertion in colonoscopy: The impact of obesity indices. World J Gastroenterol 2017; 23:2346-2354. [PMID: 28428714 PMCID: PMC5385401 DOI: 10.3748/wjg.v23.i13.2346] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2016] [Revised: 01/16/2017] [Accepted: 02/17/2017] [Indexed: 02/06/2023] Open
Abstract
AIM To identify the factors influencing cecal insertion time (CIT) and to evaluate the effect of obesity indices on CIT.
METHODS We retrospectively reviewed the data for participants who received both colonoscopy and abdominal computed tomography (CT) from February 2008 to May 2008 as part of a comprehensive health screening program. Age, gender, obesity indices [body mass index (BMI), waist-to-hip circumference ratio (WHR), waist circumference (WC), visceral adipose tissue (VAT) volume and subcutaneous adipose tissue (SAT) volume on abdominal CT], history of prior abdominal surgery, constipation, experience of the colonoscopist, quality of bowel preparation, diverticulosis and time required to reach the cecum were analyzed. CIT was categorized as longer than 10 min (prolonged CIT) and shorter than or equal to 10 min, and then the factors that required a CIT longer than 10 min were examined.
RESULTS A total of 1678 participants were enrolled. The mean age was 50.42 ± 9.931 years and 60.3% were men. The mean BMI, WHR, WC, VAT volume and SAT volume were 23.92 ± 2.964 kg/m2, 0.90 ± 0.076, 86.95 ± 8.030 cm, 905.29 ± 475.220 cm3 and 1707.72 ± 576.550 cm3, respectively. The number of patients who underwent abdominal surgery was 268 (16.0%). Colonoscopy was performed by an attending physician alone in 61.9% of cases and with the involvement of a fellow in 38.1% of cases. The median CIT was 7 min (range 2-56 min, IQR 5-10 min), and mean CIT was 8.58 ± 5.291 min. Being female, BMI, VAT volume and involvement of fellow were significantly associated with a prolonged CIT in univariable analysis. In multivariable analysis, being female (OR = 1.29, P = 0.047), lower BMI (< 23 kg/m2) (OR = 1.62, P = 0.004) or higher BMI (≥ 25 kg/m2) (OR = 1.80, P < 0.001), low VAT volume (< 500 cm3) (OR = 1.50, P = 0.013) and fellow involvement (OR = 1.73, P < 0.001) were significant predictors of prolonged CIT. In subgroup analyses for gender, lower BMI or higher BMI and fellow involvement were predictors for prolonged CIT in both genders. However, low VAT volume was associated with prolonged CIT in only women (OR = 1.54, P = 0.034).
CONCLUSION Being female, having a lower or higher BMI than the normal range, a low VAT volume, and fellow involvement were predictors of a longer CIT.
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López-Serrano A, Ortiz Polo I, Sanz de la Vega J, Moreno-Osset E. Role of the gastroenterologist in the management of the obese patient. GASTROENTEROLOGIA Y HEPATOLOGIA 2016; 40:409-416. [PMID: 27745965 DOI: 10.1016/j.gastrohep.2016.08.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2016] [Revised: 08/18/2016] [Accepted: 08/28/2016] [Indexed: 02/07/2023]
Abstract
Obesity is a highly prevalent disease worldwide, and one in which gastroenterologists can play an important role. Some digestive diseases are more common in obese patients, and preoperative evaluation may be required in some cases. Additionally, bariatric surgery can lead to digestive complications in the short and long term that require intervention, and endoscopic treatment can be an important factor in weight loss. The aim of this review is to highlight the role of the gastroenterologist in the management of obese patients who are either scheduled for or have undergone surgical or endoscopic treatment for obesity.
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Affiliation(s)
- Antonio López-Serrano
- Servicio de Medicina Digestiva, Hospital Universitari Dr. Peset, Valencia, España; Universitat de València, Valencia, España.
| | | | | | - Eduardo Moreno-Osset
- Servicio de Medicina Digestiva, Hospital Universitari Dr. Peset, Valencia, España; Universitat de València, Valencia, España
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Kim EJ, Kim YJ. Can Body Mass Index Predict the Difficulty of Colonoscopy? Clin Endosc 2016; 49:106-7. [PMID: 26999016 PMCID: PMC4821518 DOI: 10.5946/ce.2016.042] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2016] [Accepted: 03/04/2016] [Indexed: 12/23/2022] Open
Affiliation(s)
- Eui Joo Kim
- Division of Gastroenterology, Department of Internal Medicine, Gachon University Gil Medical Center, Gachon University College of Medicine, Incheon, Korea
| | - Yoon Jae Kim
- Division of Gastroenterology, Department of Internal Medicine, Gachon University Gil Medical Center, Gachon University College of Medicine, Incheon, Korea
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Jain D, Goyal A, Zavala S. Predicting Colonoscopy Time: A Quality Improvement Initiative. Clin Endosc 2016; 49:555-559. [PMID: 26996219 PMCID: PMC5152781 DOI: 10.5946/ce.2015.110] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2015] [Revised: 11/08/2015] [Accepted: 01/03/2016] [Indexed: 12/14/2022] Open
Abstract
Background/Aims There is lack of consensus on the optimal time allotted for colonoscopy, which increases patient wait times. Our aim was to identify and quantify the individual pre-procedural factors that determine the total procedure time (TPT) of colonoscopy. Methods This retrospective study involved 4,494 subjects, undergoing outpatient colonoscopy. Effects of age, sex, body mass index, abdominal surgery history, procedure indication (screening, surveillance, or diagnostic), procedure session (morning or afternoon), and endoscopist’s experience (fellow or attending) on TPT were evaluated using multiple regression analysis. A p<0.05 was considered significant. Results A total of 1,239 subjects satisfied the inclusion/exclusion criteria. Women, older individuals, and those with a history of abdominal surgery were found to have a shorter TPT (p>0.05) as did afternoon session colonoscopies (p=0.004). Less experienced endoscopists had longer TPTs (p>0.05). Screening (p=0.01) and surveillance (p=0.008) colonoscopies had a longer TPT than diagnostic procedures. Overall, the F-value of the regression model was 0.0009. Conclusions The indication for colonoscopy and the time of day have statistically significant associations with TPT. These results will help in streamlining workflow, reduce wait time, and improve patient satisfaction.
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Affiliation(s)
- Deepanshu Jain
- Department of Internal Medicine, Albert Einstein Medical Center, Philadelphia, PA, USA
| | - Abhinav Goyal
- Department of Internal Medicine, Albert Einstein Medical Center, Philadelphia, PA, USA
| | - Stacey Zavala
- Division of Gastroenterology, Department of Internal Medicine, Albert Einstein Medical Center, Philadelphia, PA, USA
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