title: Automated feedback control of body temperature for small animal studies with MR microscopy.
abstract: A temperature control system consisting of a thermistor, signal processor, and computer algorithm was developed for magnetic resonance (MR) microscopy of small live animals. With control of body temperature within +/- 0.2 degree C of the set point, heart rate is stabilized and, in turn, repetition time (TR) during cardiac-gated studies is less variable. Thus, image quality and resolution are improved.
authors.affiliation: Department of Radiology, Duke University Medical Center, Durham, NC 27710, USA.
authors.forename: H H
authors.initials: HH
authors.lastname: Qiu
authors.forename: G P
authors.initials: GP
authors.lastname: Cofer
authors.forename: L W
authors.initials: LW
authors.lastname: Hedlund
authors.forename: G A
authors.initials: GA
authors.lastname: Johnson
mesh_terms: D000818:Animals; D001831:Body Temperature / Q000502:physiology*; D004867:Equipment Design; D005246:Feedback / Q000502:physiology*; D005289:Ferrets; D006168:Guinea Pigs; D008279:Magnetic Resonance Imaging; D051379:Mice; D008853:Microscopy; D008954:Models, Biological; D008991:Monitoring, Physiologic / Q000295:instrumentation / Q000379:methods; D051381:Rats; D012121:Respiration, Artificial; D012815:Signal Processing, Computer-Assisted; D013821:Thermometers