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Query: UMLS:C0020672 (hypothermia)
 17,327 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Seventeen biochemical parameters were measured in the venous and arterial blood of normal adolescent baboons (P. cynocephalus/anubis) under normothermic sedation and normothermic and hypothermic anesthesia. Statistical comparisons of the results were made between sexes and between the two temperatures under anesthesia. Six parameters differed significantly between males and females and five varied significantly between normothermia and hypothermia. Comparisons to the existing literature and the differences under hypothermia are briefly discussed.
J Med Primatol 1975
PMID:Biochemical values in the normal and hypothermic baboom Papio cynocephalus/anubis. 81 May 91

The anesthetic procedures used and the responses observed during maternal instrumentation on 38 pregnant rhesus monkeys (Macaca mulatta) during the second half of gestation are reported. A laparotomy with maternal instrumentation was performed in all animals. Anesthesia was induced with ketamine and maintained with halothane. Two animals delivered within five days of anesthesia and surgery and were unable to undergo experimentation. The remaining 36 animals underwent successful experimentation. Dysrhythmias, hypotension, and hypothermia were identified as complications of anesthesia.
J Med Primatol 1991 Jul
PMID:Anesthetic management for instrumentation of the pregnant rhesus monkey. 192 Mar 77

Three of 16 juvenile rhesus monkeys (Macaca mulatta) and 1 rhesus of 79 adult rhesus and cynomolgus monkeys (Macaca fascicularis) were found comatose in a state of profound hypothermia after a heating failure occurred in the room in which they were housed. One juvenile monkey died shortly thereafter. The three other monkeys were revived with gradual warming and supportive therapy but later experienced separate acute clinical crises manifesting shock and died at 19, 31, and 51 days after the initial episode. Histopathologic findings of severe bone marrow depletion were observed in each of the three monkeys that died after the initial episode.
J Med Primatol 1982
PMID:Bone marrow depletion as a coincidental finding to hypothermia in Macaca mulatta. 718 63

Nesidioblastosis associated with progressive weight loss and hyperglycemia was diagnosed in two mid-adult, wild-caught, male squirrel monkeys (Saimiri sciureus). Hyperglycemia, glucosuria, and abnormal glucose tolerance test results were found when the monkeys were presented for clinical evaluation for chronic weight loss, episodic dehydration, hypothermia, and lethargy. Immunohistochemical studies of the pancreatic tissue demonstrated that the proliferating endocrine cells stained predominantly glucagon-positive in the most severely affected monkey.
J Med Primatol 1996 Oct
PMID:Nesidioblastosis associated with hyperglycemia in two squirrel monkeys (Saimiri sciureus). 902 1

Though the harmful effects anthropogenic disturbances pose to wild primates are well appreciated, comparatively little is known about the effects of natural disturbances. From December 2010 to January 2011, different mortality patterns were observed for two primate species, capuchins and howler monkeys, on Barro Colorado Island (BCI), Panama. Unusually high rainfall in 2010 was associated with census and cadaver data indicating the rapid loss of >70% of the capuchin population in late 2010 to early 2011. In contrast, over this same period, no decline was documented for howler monkeys and cadaver data for howlers was unexceptional. The high mortality experienced by the capuchin population was unexpected and its extent was not fully appreciated until the event was largely over. Explanations proposed for it included effects of hypothermia, disease or a shortage of some essential nutrient(s). Of these, the dietary explanation seems most probable. BCI capuchins depend most heavily on arthropod foods in December, when few higher quality ripe fruits are available. The unprecedented high rainfall in December 2010 is hypothesized to have largely eliminated the arthropod peak expected on BCI each December. A lack of protein-rich arthropods, when coupled with the climatic and nutritional stress capuchins generally experience at this time of year, appears to have precipitated the rapid die-off of most of the island's capuchin population. As howler monkeys obtain dietary protein primarily from leaves, a shortage of edible arthropods would not affect howler numbers. Comparison of our 2010 data with similar data on earlier primate/mammalian mortality events reported for BCI and for Corcovado, Costa Rica indicates that our understanding of the effects of natural disturbances on wild primate populations is not profound. We suggest that more research be devoted to this increasingly timely topic, so important to conservation policy.
Am J Primatol 2014 Mar
PMID:Differential effects of unusual climatic stress on capuchin (Cebus capucinus) and howler monkey (Alouatta palliata) populations on Barro Colorado Island, Panama. 2427 98

Body temperature, respiration, and heart rate were recorded for 90 perinatal pigtailed macaques (Macaca nemestrina) within the first hour after birth. Hypothermia and corresponding depressed respiration and heart rate were evident in all animals. Regression analysis revealed that time-since-birth accounted for most of the observed variance in all measures. Temperatures of three pregnant females were monitored during labor and delivery. Declines in maternal temperature during labor suggested that depressed maternal temperature influenced the observed hypothermia in newborns. Increases in ambient (cage) temperatures during labor indicated that the females were emitting heat while declining in temperature.
Am J Primatol 1983
PMID:Perinatal hypothermia and maternal temperature declines during labor in pigtailed macaques (Macaca nemestrina). 3199 69