Data extracted from the chart review included patient demographics (age, gender), BMI, history of prior surgeries, history of barium enemas, and prior incomplete colonoscopy characteristics (indication, number of prior colonoscopies, extent of prior colonoscopy, procedure duration, documented reasons for incomplete colonoscopy, and endoscopes used during the procedure). The same procedural measures were extracted for the repeat colonoscopy procedure. A “standard” endoscope was defined as an adult colonoscope (CF-H180AL), pediatric colonoscope (PCF-H180AL), or gastroscope (GIF-H180J, Olympus, Center Valley, PA). Adult and pediatric colonoscopes had variable stiffness capability allowing for adjustment of insertion tube flexibility and all endoscope had an auxiliary water channel. Pathology records were reviewed to determine the number of adenomas and cancers that were detected or removed at each procedure.
Cf h180al
Manufactured by Olympus
Sourced in Japan
The Olympus CF-H180AL is a compact and lightweight long-distance observation camera. It features a high-resolution CMOS sensor and a powerful optical zoom lens. The device is designed for use in various applications that require long-distance visual monitoring, but a detailed description of its intended use is not available.
Automatically generated - may contain errors
Lab products found in correlation
4 protocols using cf h180al
1
Evaluating Repeat Colonoscopy Outcomes
2
Screening Colonoscopy in Asymptomatic Iranians
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We retrospectively reviewed the colonoscopy database and pathology reports of individuals who underwent screening colonoscopy at Masoud clinic, Tehran, Iran. Asymptomatic individuals aged ≥50 years who scheduled for first-time screening colonoscopy between 1 June 2007 and 30 March 2013, were included in the study. Thirteen endoscopists performed 713 colonoscopy under conscious sedation using high-definition colonoscopes (Olympus CF-H180AL). Symptomatic patients and those with a personal history of CRC or familial pattern of the disease (i.e. CRC in the first degree relatives, heredity non-polyposis CRC, or familial adenomatous polyposis) were excluded. Two experienced gastrointestinal pathologists evaluated the histological features of colorectal lesions. The study was approved by the Institutional Review Board of Digestive Disease Research Institute, Tehran University of Medical Sciences.
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We retrospectively reviewed the colonoscopy database and pathology reports of individuals who underwent screening colonoscopy at Masoud clinic, Tehran, Iran. Asymptomatic individuals aged ≥50 years who scheduled for first-time screening colonoscopy between 1 June 2007 and 30 March 2013, were included in the study. Thirteen endoscopists performed 713 colonoscopy under conscious sedation using high-definition colonoscopes (Olympus CF-H180AL). Symptomatic patients and those with a personal history of CRC or familial pattern of the disease (i.e. CRC in the first degree relatives, heredity non-polyposis CRC, or familial adenomatous polyposis) were excluded. Two experienced gastrointestinal pathologists evaluated the histological features of colorectal lesions. The study was approved by the Institutional Review Board of Digestive Disease Research Institute, Tehran University of Medical Sciences.
3
Deep Learning for Colonoscopy Video Analysis
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The dataset was gathered from screening colonoscopy procedures performed in 3 Israeli hospitals. Each case consisted of a single video of an entire procedure (including the insertion phase) recorded at 30 frames per second. The following endoscope models were used: CF-H180AL, CF-HQ190L, and PCF-Q180AL (Olympus, Tokyo, Japan); EC-760R-V/L, EG-760R, and EC-530LP (Fujifilm, Tokyo, Japan); and EC-3890LK (Pentax, Tokyo, Japan). All videos and metadata were deidentified, according to the Health Insurance Portability and Accountability Act Safe Harbor. For both train and validation sets, procedures represented a sampling of the procedures performed at each institution over a period of time. The training dataset was obtained from 2 different university hospitals; the validation data were obtained from a third unrelated community hospital. Then we performed a small prospective clinical validation study in 100 patients that represented new videos never "seen" by DEEP 2 before.
4
Endoscopic Submucosal Dissection Technique
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In our hospital, ESD was performed using a singlechannel colonoscope (CF-H180AL; Olympus, Tokyo, Japan). This colonoscope was a high-density television compatible with a wide angle of 170°, 3.7-mm instrument channel, and auxiliary water jet. A short transparent hood was fitted to the tip of the endoscope so that the whole ring could be seen in endoscopic view. Carbon dioxide was used for insufflation to decrease patient discomfort. We used a high-frequency electrosurgical generator (ESG-100; Olympus, Tokyo, Japan) with a peristaltic pump (AFU-100; Olympus, Tokyo, Japan). The energy setting used for incision and dissection was "forced coagulation 2" 30W, whereas "soft coagulation" 100W was used for haemostasis.
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