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Dive into the research topics where G Kandel is active.

Publication


Featured researches published by G Kandel.


Gastrointestinal Endoscopy | 2000

A randomized, double-blind study of the use of droperidol for conscious sedation during therapeutic endoscopy in difficult to sedate patients.

Jonathan Cohen; Gregory B. Haber; J Dorais; Dm Scheider; G Kandel; Paul P. Kortan; Norman E. Marcon

BACKGROUNDnDroperidol has been used in combination with narcotics and benzodiazepines to achieve conscious sedation. We performed a randomized, double-blind, study of droperidol in patients at risk for difficult sedation scheduled for therapeutic endoscopy.nnnMETHODSnPatients with regular ethanol, narcotic, or benzodiazepine usage, suspected sphincter of Oddi dysfunction, or a history of difficult sedation were eligible for the study. Patients were randomized to receive either droperidol or placebo along with midazolam and meperidine as preprocedure sedation. Time to achieve sedation, interruptions due to undersedation, medication dosages, recovery time, and subjective assessments of sedation were recorded.nnnRESULTSnOne hundred one patients were randomized. The droperidol group had significantly fewer procedure interruptions and observer ratings of difficulty with sedation and required significantly less midazolam (23%) and meperidine (16%) than the placebo group. There were no significant differences in time to achieve sedation, incomplete procedures, procedure length, recovery room time, or complications. There were significantly higher observer ratings of the quality of sedation for patients who received droperidol.nnnCONCLUSIONSnDroperidol is a useful adjunct to conscious sedation in patients who are difficult to sedate. Its use results in significantly fewer interruptions due to poor sedation and improved sedation ratings compared with sedation using midazolam and meperidine alone.


Gastrointestinal Endoscopy | 1996

Argon plasma coagulation: A new effective technique of non-contact thermal coagulation. Experience in 44 cases of GI angiomata

Jonathan Cohen; M Abedi; Gregory B. Haber; J Dorais; A.G. DuVall; Dm Scheider; G Kandel; Paul P. Kortan; Norman E. Marcon


Gastrointestinal Endoscopy | 1997

A prospective randomizeo trial of cyanoacrylate (CYA) vs endoscopic variceal ligation (EVL) for acute esophagogastric variceal hemorrhage

G.A. DuVall; Gregory B. Haber; Paul P. Kortan; Norman E. Marcon; G Kandel; M Abedl; Ja Martin; J Dorais; R Saidi; S Silva; M Siemens; Cf Ross; M Clrroco; I Raljman


Gastrointestinal Endoscopy | 1995

Dieulafoy's disease: Clinical features and endoscopic predictors of rebleeding

Dm Scheider; Michael J. Bourke; A Ghanbari; G Kandel; Paul P. Kortan; Norman E. Marcon; Gregory B. Haber


Hospital Practice | 1983

A confusing case of confusion.

G Kandel; Paul P. Kortan; Norman E. Marcon


Gastrointestinal Endoscopy | 1996

Covered-expandable esophageal stents (CES): Problems associated with new designs

Dm Scheider; Gregory B. Haber; Jonathan Cohen; J Dorais; Cf Ross; G Kandel; Paul P. Kortan; Norman E. Marcon


Gastrointestinal Endoscopy | 1996

Predictors of patient satisfaction after colonoscopy: A prospective study of 601 patients

Jonathan Cohen; Gregory B. Haber; L Lavell; J Dorais; Dm Scheider; Paul P. Kortan; Norman E. Marcon; G Kandel; Da Redelmeier


Gastrointestinal Endoscopy | 1995

Predictors of success of endoscopic dilation of benign gastric outlet obstruction during long term follow-up

D.J. Hemphill; Norman E. Marcon; Paul P. Kortan; G Kandel; M Siemens; Gregory B. Haber


Gastrointestinal Endoscopy | 1996

Outcomes of rubber band ligation (RBL) of acute variceal hemorrhage: Comparing those with an identifiable bleeding site vs those with varices and no other bleeding source

M Cooper; M Abedi; Gregory B. Haber; Paul P. Kortan; G Kandel; Norman E. Marcon


Gastrointestinal Endoscopy | 1995

Palliation of partially obstructing esophageal carcinoma with photodynamic therapy

Dm Scheider; M Siemens; Gregory B. Haber; G Kandel; Paul P. Kortan; Norman E. Marcon

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M Cirocco

University of Toronto

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