We used colonoscopes (CF-H260AI and CF-Q260AI, Olympus Optical Co., Ltd., Tokyo, Japan) and two AERs (CYW-201, Choyang Medical Industry Ltd., Seongnam, Korea), which have the same duration of use. We used only one type of disinfectant for each AER during the study period. Colonoscopes were randomly assigned to each AER at a 1:1 ratio using a computer-generated random code list, without categorization according to the endoscopist. Fifty cases were processed by each AER.
Cf h260ai
Manufactured by Olympus
Sourced in Japan
The CF-H260AI is a high-definition, video-capable endoscope camera system designed for medical and industrial applications. It features a compact, lightweight design and delivers clear, detailed imaging capabilities.
Automatically generated - may contain errors
Lab products found in correlation
Cf hq290i, by Olympus (8 mentions)
Cf q260ai, by Olympus (4 mentions)
Pcf q260ji, by Olympus (3 mentions)
Cf h290i, by Olympus (3 mentions)
Pcf h290zi, by Olympus (3 mentions)
Dualknife, by Olympus (3 mentions)
Gif h260, by Olympus (3 mentions)
Cf h260al, by Olympus (2 mentions)
Cv 290, by Olympus (2 mentions)
Pcf q260azi, by Olympus (2 mentions)
Cf hq290zi, by Olympus (2 mentions)
Vio300d, by Erbe (2 mentions)
Ec 3490fi, by Pentax (2 mentions)
Cf h260azi, by Olympus (2 mentions)
Cf q240zi, by Olympus (2 mentions)
Gif q260j, by Olympus (2 mentions)
Tjf 260v, by Olympus (2 mentions)
Cv260, by Olympus (1 mentions)
Pcf q260zi, by Olympus (1 mentions)
Cf h290zi, by Olympus (1 mentions)
29 protocols using cf h260ai
1
Automated Endoscope Reprocessing Comparison
2
Confirmatory Colonoscopy in Positive FIT Screening
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Under NCSP, a confirmatory colonoscopy was provided as a second step for subjects with a positive FIT result. Colonoscopy was performed by gastroenterologists using a standard video colonoscope (CF-H260AI; Olympus Optical, Tokyo, Japan). All participants underwent a 3-day dietary restriction and bowel preparation with split regimen using 4 L of polyethylene glycol solution (Taejoon Co., Seoul, Korea) or 90 mL of sodium phosphate (Unimed Co., Seoul, Korea). An established accreditation program was mandatory for endoscopists to practice in the NCSP. A complete colonoscopy was defined as an intubation of the cecum with identification of the ileocecal valve and appendiceal orifice or intubation up to an obstructing neoplasm. A neoplastic lesion located in the proximal colon (including the cecum, ascending colon, transverse colon, and splenic flexure) was defined as proximal colonic neoplasia.13 (link)–15 (link)
3
Standardized Colonoscopy Protocol with Sedation
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All colonoscopies were performed under the guidance of attending staff. Basically, fellows were allowed to attempt full colonoscopy if possible. Oral advice from the staff was given when the fellow had difficulties in reaching the cecum. However, staff were able to take over the procedure in complicated cases at their own discretion. Intramuscular injection of pethidine hydrochloride (25 mg) was given as a pre-procedural treatment if the condition of the patient was allowed. Endoscopist-directed sedation was provided using intravenous injection of propofol (1 mg/kg) or midazolam (3–5 mg) before starting the examination. If needed, intra-procedural bolus injections of propofol (20 mg) were added by an assistant. Blood pressure, electrocardiography and oxygen saturation of the patient were monitored during the procedure. Bowel preparation was performed using single or split dose of polyethylene glycol (4 liters). Failed cases caused by poor preparation or disease, such as cancer or severe colitis, were not included in this study. All colonoscopies were performed using CF-Q260AI, CF-H260AI or PCF-Q260AI colonoscopes (Olympus Optical Co, Ltd, Tokyo, Japan).
4
Endoscopic Evaluation of Crohn's Disease
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Patients were advised to follow a soft or clear liquid dietary regimen 24 to 72 hours before colonoscopy according to their bowel habits. Ileocolonoscopy was performed after standard bowel preparation using 2 L of polyethylene glycol electrolyte solution (Coolprep, Taejoon Pharmaceuticals, Seoul, Korea). During endoscopy, patients received a standard dose of the sedative; 5 mg of midazolam or 40 mg of propofol. Ileocolonoscopy was performed by a gastroenterologist with a conventional colonoscope (CF H260AL or CF H260AI, Olympus Optical, Tokyo, Japan). The performing endoscopist was aware of the patient’s history, and the colonoscope was introduced in the terminal ileum except that the scope could not pass due to stenosis. Endoscopic remission was defined as the simple endoscopic score for CD (SES-CD) of less than 4 [15 (link)].
5
Colorectal Neoplasia Detection via NBI
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We retrospectively searched for colorectal NBI images at the Sixth Affiliated Hospital, Sun Yat-sen University, and Guangdong Second Provincial Central Hospital. These images were used to train the model and have internal validation tests. The scopes used in this study were PCF-Q260JI, CF-H260AI, PCF-Q260AZI, PCF-Q260A3I, CF-H290I, CF-HQ290I, PCF-H290ZI, and CF-HQ290Z (Olympus Optical Co., Ltd., Tokyo, Japan), and the machines we used were CV-260 and CV-290 (Olympus Medical Systems). The collected images met the following criteria: NBI images; with pathology (if the image was normal mucosa, then pathology was not necessary); the pathology was made by the whole resection specimens rather than biopsy; good quality; and repeated or blurred images were excluded. Additionally, we collected the following information of the patients: age, sex, and information of the polyps: location, size, number, and pathology. The collected images were categorized into 4 types according to their pathology: type 1, hyperplastic or inflammatory polyps; type 2, adenomatous polyps, intramucosal cancer, or superficial submucosal invasive cancer; type 3, deep submucosal invasive cancer; and type 4, normal mucosa.
6
Colonoscopy and SEMS Placement Protocol
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This study involved colonoscopy was performed by experienced board-certified gastroenterologists using a video colonoscope (CF-H260 AI and GIF1T240, Olympus Optical), America Boston yellow zebra guidewire (M00556621), diameter of 0.038 inch, length of 260 cm, Straight Tip, the SEMS produced by American COOK company, SEMS were noncoated stents with double bell mouth, inside diameter of 25 mm, length of 6-10 cm, the linear cut stapler(EC60) and intestinal anastomat(CDH29) produced by Johnson and Johnson company.
7
Ileocolonoscopy as Reference Standard
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Ileocolonoscopy findings were used as the reference standard. Ileocolonoscopy was performed by either one of the 3 boardcertified faculty gastroenterologists who were experienced in endoscopic examination of patients with inflammatory bowel disease and blinded to the results of MRE, clinical assessment, and laboratory tests, using a video colonoscope (CF H260AL or CF H260AI; Olympus Optical Co., Tokyo, Japan). Colons were prepared using 4 L of polyethylene glycol. The length of the terminal ileum endoscopically evaluated was recorded. Endoscopic lesions were evaluated according to CDEIS. 17 Global and segmental CDEIS scores were determined. The types of inflammatory mucosal lesions were specified, including overt (deep and superficial) ulcers, aphthoid lesions, and erythema or edema. Absence of any of these lesions was considered the state of absence of disease (to constitute the denominator for calculating specificity).
8
NBI Colonoscopy for Mucosal Inflammation
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Each patient underwent a colonoscopy with an endoscope (CF-H260AI; Olympus, Tokyo, Japan), using a prototype of the NBI system (Evis CV-260; Olympus, Tokyo, Japan). When performing an NBI colonoscopy, the endoscope was advanced into the cecum using the white-light endoscopy (WLE) mode. During withdrawal, a routine observation was performed, and the inflamed area was identified using the WLE mode. The colorectum was divided into six segments (cecum, ascending colon, transverse colon, descending colon, sigmoid colon, and rectum). For each segment possessing a lesion and immediately after identifying the inflamed area using the WLE mode, the imaging mode was switched to NBI with the resulting image recorded using an integrated image capture system and saved on a server for later assessment. The endoscope was required to be very close to the mucosa to acquire a satisfactory image under NBI mode. Subsequently, at least one mucosal biopsy specimen was obtained from the same area for histological assessment.
9
Endoscope Comparison for Surgical Procedures
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PCF-H260I, PCF-Q260ZI, or PCF-H290ZI (Olympus Corporation; Tokyo, Japan) was used
in the SCE group; these have an endoscope diameter of 11.3 or 11.7 mm and a
3.2-mm working channel. CF-H260AI, CF-HQ290I, or CF-H290ZI (Olympus Corporation)
was used in the LCE group; these have an endoscope diameter of 13.2 mm and a
3.7-mm working channel.
in the SCE group; these have an endoscope diameter of 11.3 or 11.7 mm and a
3.2-mm working channel. CF-H260AI, CF-HQ290I, or CF-H290ZI (Olympus Corporation)
was used in the LCE group; these have an endoscope diameter of 13.2 mm and a
3.7-mm working channel.
10
Clearing Colonoscopy for Colorectal Cancer
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All patients with CRC enrolled in the study underwent a clearing perioperative colonoscopy to detect synchronous lesions and complete resection of precancerous polyps. Individuals with obstructive CRC underwent perioperative colonoscopic examinations within 3 to 6 months after surgery, and the findings of these examinations were included as a part of the baseline colonoscopic findings. Surveillance colonoscopies were generally performed 1, 2, 3, and 5 years after surgical or endoscopic resection (or after the clearing perioperative colonoscopy in the case of obstructive CRC) according to our institutional protocol.
Colonoscopies were completed with a standard colonoscope (CF H260AI, CF Q260AI, PCF-Q260AZI, PCF-H290ZI, or CF-HQ290ZI; Olympus, Tokyo, Japan) by one of three endoscopists who had experience performing more than 500 colonoscopies. We excised all adenomas detected during preoperative and postoperative colonoscopies.
Colonoscopies were completed with a standard colonoscope (CF H260AI, CF Q260AI, PCF-Q260AZI, PCF-H290ZI, or CF-HQ290ZI; Olympus, Tokyo, Japan) by one of three endoscopists who had experience performing more than 500 colonoscopies. We excised all adenomas detected during preoperative and postoperative colonoscopies.
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