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Czech Society of Gastroenterology guidelines for diagnostic and therapeutic colonoscopy

Section 1: General Aspects of Colonoscopy. History of Endoscopy in the Rectum and Colon. Niwa, Y. The Colonoscopy Suite. Continuous Quality Improvement in Colonoscopy. Section 2: Preparation General.

Download Colonoscopy Principles And Practice 2Nd Ed

Cleaning and Disinfection. Section 3: Preparation of the Patient. Informed Consent for Colonoscopy. Antibiotic Prophylaxis for Colonoscopy.

Chapter 4, part 2, Information Security: Principles and Practice

Management of Anticoagulation and Antiplatelet Agents. Eisen and K. Sedation for Colonoscopy. Cohen and J. Preparation for Colonoscopy.

Coordinators: Waye Jerome D., Rex Douglas K., Williams Christopher B.

Section 4: Preparation of Endoscopist. Training in Colonoscopy. Van Dam. Teaching Aids in Colonoscopy. Teaching Colonoscopy. Role of Simulators in Endoscopy. Bar Meir. Section 5: Indications, Contraindications, Screening, and Complications. Indications and Contraindications. Khashab and D. Diagnostic Yield of Colonoscopy by Indication. Screening Colonoscopy: Rationale and Performance. Cost effectiveness of Colonoscopy Screening. Section 6: Reports and Imaging. Standardization of the Endoscopic Report: Interest of a common vocabulary and specificities for colonoscopy.

Reporting and Image Management. Section 7: Instrument and Accessories.

Download Colonoscopy Principles And Practice 2Nd Ed

The Video Colonoscope. The Colonoscope Insertion Tube. If a polyp is found, for example, it can be removed by one of several techniques. A snare device can be placed around a polyp for removal. Even if the polyp is flat on the surface it can often be removed.

For example, the following shows a polyp removed in stages:. The pain associated with the procedure is not caused by the insertion of the scope but rather by the inflation of the colon in order to do the inspection. The scope itself is essentially a long, flexible tube about a centimeter in diameter, i. The colon is wrinkled and corrugated, somewhat like an accordion or a clothes-dryer exhaust tube, which gives it the large surface area needed for water absorption. In order to inspect this surface thoroughly, the physician blows it up like a balloon, using an air compressor, in order to get the creases out.

The stomach, intestines, and colon have a so-called " second brain " wrapped around them, which autonomously runs the chemical factory of digestion.

Normally a colon's job is to digest food and regulate the intestinal flora. The harmful bacteria in rancid food, for example, creates gas. The colon has distension sensors that can tell when there is unexpected gas pushing the colon walls out—thus the "second brain" tells the person that he or she is having intestinal difficulties by way of the sensation of nausea. Doctors typically recommend either total anesthesia or a partial twilight sedative to either preclude or to lessen the patient's awareness of pain or discomfort, or just the unusual sensations of the procedure.

Once the colon has been inflated, the doctor inspects it with the scope as it is slowly pulled backward. If any polyps are found they are then cut out for later biopsy. Some doctors prefer to work with totally anesthetized patients inasmuch as the lack of any perceived pain or discomfort allows for a leisurely examination. Twilight sedation is, however, inherently safer than general anesthesia; it also allows the patients to follow simple commands and even to watch the procedure on a closed-circuit monitor.

Tens of millions of adults annually need to have colonoscopies, and yet many don't because of concerns about the procedure. Colonoscopy can be carried out without any sedation, without problems with pain; this is practised in several institutions in many countries with the patient's agreement.

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This allows the patient to shift their body position to help the doctor carry out the procedure, and significantly reduces recovery time and side-effects. Unsedated patients can be released from the hospital on their own very swiftly without any feelings of nausea, able to continue with normal activities, and without the need for an escort as recommended after sedation. Duodenography and colonography are performed like a standard abdominal examination using B-mode and color flow Doppler ultrasonography using a low frequency transducer — for example a 2.

Detailed examination of duodenal walls and folds, colonic walls and haustra was performed using a 7. Deeply located abdominal structures were examined using 2. All ultrasound examinations are performed after overnight fasting for at least 16 hours using standard scanning procedure. Subjects are examined with and without water contrast. Water contrast imaging is performed by having adult subjects take at least one liter of water prior to examination. Patients are examined in the supine, left posterior oblique, and left lateral decubitus positions using the intercostal and subcostal approaches.

The liver, gall bladder, spleen, pancreas, duodenum, colon, and kidneys are routinely evaluated in all patients. With patient lying supine, the examination of the duodenum with high frequency ultrasound duodenography is performed with 7.

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Color flow Doppler sonography is used to examine the localization of lesions in relation to vessels. All measurements of diameter and wall thickness are performed with built-in software. Measurements are taken between peristaltic waves. Researchers have found that older patients with three or more significant health problems, like dementia or heart failure, had high rates of repeat colonoscopies without medical indications.

These patients are less likely to live long enough to develop colon cancer. Because of this relatively low sensitivity, US guidelines advocate the over 5 times more expensive procedures instead, because even the relatively small increase in lives saved and 5-fold cost increase is seen as worth choosing, given US living standards. In the s, Dr. Niwa and Dr.

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Yamagata at Tokyo University developed the device. After , Dr. William Wolff and Dr. Hiromi Shinya pioneered the development of the colonoscope. Wolff and Shinya advocated for their invention and published much of the early evidence needed to overcome skepticism about the device's safety and efficacy. Paul, MN reported a series of consecutive colonoscopies and upper endoscopies performed in a free-standing clinic miles from the nearest hospital, demonstrating the safety and cost effectiveness of these outpatient procedures.

A few compound words such as colonopathy have doublets with -on- inserted.

From Wikipedia, the free encyclopedia. Not to be confused with colostomy. A sterile solution is injected under the polyp to lift it away from deeper tissues. Bow and arrow sign Esophagogastroduodenoscopy Polypectomy Rectal examination.