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Questions
BLOODLOSS AND TRANSFUSION NEED IN ORTHOGNATHIC SURGERY: REVIEW OF LITERATURE
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Constantinus POLITIS
MD, DDS, MM, MHA, PhD Professor & Chairperson Oral and Maxillofacial Surgery Department
University Hospitals Leuven, KU Leuven Leuven, Belgium

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Dr. Politis is an Oral and Maxillo-Facial Surgeon. He is currently a Professor and Chairperson of the Department of OMFS at Leuven University Belgium. He is an invited Lecturer at EHSAL in Brussels. He graduated from the Catholic University of Leuven in medicine( MD) and dentistry( DDS), also specializing in oral and maxillofacial surgery at the same university. There followed additional postgraduate training in Arnhem( Stoelinga), Aachen( Koberg), Copenhagen( Pindborg), Göteborg( Bränemark) and San Francisco( Marx). He also holds a master degree in management( MM) and a master degree in Hospital Management( MHM). He is Secretary General of the Professional Union of Belgian Oral and Maxillofacial Surgeons.

Review Article

Questions

1. The relation between the duration of orthognathic surgery and bloodloss is: qa. Linear; qb. Exponential; qc. Asymptote function; qd. Depends on type of surgical procedure.
2. Which of following measures does not help in minimizing peri-operative bleeding: qa. Anti-Trendelenburg position of the patient; qb. Timely administration of local anaesthesia in Le Fort I; qc. Replacing the saw by piezo-tome; qd. Control of body temperature.
3. The overestimation of the hemoglobin drop measured after orthognathic surgery can be due to: qa. Hemodilution; qb. Weight of the patient; qc. Body temperature; qd. Hypertension.
4. The risk of blood transfusion includes transmission of all of following agents but one: qa. Hepatitis B; qb. Hepatitis C; qc. HIV; qd. Syphilis.
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