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

A female infant developed extensive subcutaneous fat necrosis 3 weeks following induced hypothermia used as an adjuvant in cardiac surgery. All lesions resolved without sequelae within 4 months. In this article we discuss the various causes of panniculitis in infants and the relevance of each cause to our patient. We believe that an underlying defect in composition and metabolism of fat, coupled with a variety of exogenous and endogenous stresses, can precipitate subcutaneous fat necrosis in infants. These stresses include physical trauma (e.g., hypothermia), poor nutrition, infection, and metabolic abnormalities.
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PMID:Subcutaneous fat necrosis in an infant, occurring after hypothermic cardiac surgery. Case report and analysis of etiologic factors. 309 Jan 13

A 9-year-old female, domestic short hair cat was presented with sudden onset of polyuria/polydipsia, and hundreds of cutaneous nodules. Prior to referral, the cat had had four skin nodules that were treated with steroids. The four skin nodules then multiplied to form more than 100 ulcerated and nonulcerated nodules located all over the trunk. Clinical evaluation revealed hypothermia and respiratory distress. Cytology from both skin nodules and bronchoalveolar lavage showed macrophages and small organisms whose shape and size were indicative of Toxoplasma spp., or similar organisms. Feline immunodeficiency virus (FIV) and feline leukaemia virus (FeLV) serology results were negative. The cat was seropositive for Toxoplasma (IgG 1 : 640) and Neospora (1 : 80) infections. The cat died soon after referral. Necropsy revealed pyothorax, necrotic/purulent pneumonia, haemorrhagic spots on kidneys and mesentery. Histopathology from skin nodules showed diffuse, deep necrotic dermatitis/panniculitis, vasculitis and disseminated free and grouped protozoa. The parasites were found in lungs, spleen, kidneys and liver. Immunohistochemistry on skin tissue with anti-Toxoplasma gondii and Neospora caninum antibodies gave positive results with both. Electron microscopy showed single and grouped tachyzoites with morphological features of T. gondii, often within macrophages. Samples of cutaneous nodules and bronchoalveolar fluid were examined by a polymerase chain reaction (PCR) assay for detecting apicomplexa coccidia. PCR results were consistent only with T. gondii infection. Therefore, immunohistochemistry positivity for N. caninum was considered a cross-reaction and a diagnosis of cutaneous and visceral toxoplasmosis was made.
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PMID:Feline cutaneous toxoplasmosis: a case report. 1584 45

Cases of subcutaneous fat necrosis of the newborn (SCFN) and neonatal cold panniculitis have been reported most often secondary to perinatal distress or hypothermia. We present a case of a newborn infant who developed erythematous, indurated plaques on both cheeks and right shoulder following ice pack application for supraventricular tachycardia. The distinction between SCFN and cold panniculitis is important as SCFN may have complications such as hypercalcemia, whereas cold panniculitis is not associated with such sequelae. Clinicians should be aware of the diagnostic similarities and differences between these two conditions because of differences in potential serious sequelae.
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PMID:Subcutaneous fat necrosis in a newborn following icebag application for treatment of supraventricular tachycardia. 1687 Dec 24

Subcutaneous fat necrosis of the newborn is a form of panniculitis that most often occurs in full-term infants with predisposing risk factors. Three neonates with hypoxic ischemic encephalopathy were treated with therapeutic hypothermia and developed extensive subcutaneous fat necrosis. All three infants developed extensive subcutaneous fat necrosis, involving the back, scalp, and arms. Mild, asymptomatic hypercalcemia was noted in one infant in the weeks following the subcutaneous fat necrosis. Hypothermia as a risk factor for subcutaneous fat necrosis is reviewed. Clinicians should be aware of subcutaneous fat necrosis as a possible risk factor and complication associated with asphyxiated newborns who may undergo therapeutic hypothermia. Future studies for therapeutic hypothermia should evaluate neonates for the development of subcutaneous fat necrosis.
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PMID:Extensive subcutaneous fat necrosis of the newborn associated with therapeutic hypothermia. 2190 37

Subcutaneous fat necrosis of the newborn (SCFN) is a rare, benign, and self-limiting panniculitis of neonates that presents in the first few weeks of life and is most commonly associated with birth asphyxia and meconium aspiration. There have been few case reports of SCFN following therapeutic hypothermia. With the increasing use of therapeutic whole-body hypothermia, SCFN may become more prevalent. The differential diagnosis of SCFN can be broad, and clinicopathologic correlation is essential to make the correct and timely diagnosis. Clinicians should be aware of this rare disease and its potential serious complication hypercalcemia.
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PMID:Subcutaneous fat necrosis of the newborn associated with hypercalcemia after therapeutic hypothermia. 2507 24

Subcutaneous fat necrosis (SCFN) is a noninfectious panniculitis that occurs in term infants who experience significant distress in the 1st weeks of life, including hypoxic ischemic encephalopathy (HIE). Since the introduction of therapeutic hypothermia for HIE, there have been a few published case reports of SCFN, following this modality of treatment. Although, most cases of SCFN resolve spontaneously, SCFN may be associated with hypercalcemia, which may sometimes reach dangerous levels. Approaches used for the management of this potentially life-threatening condition, include hyperhydration, calciuric diuretics, corticosteroids, and in more resistant cases pamidronate, a bisphosphonate. We report our experience on the use of pamidronate in two cases of severe hypercalcemia associated with SCFN following therapeutic hypothermia for HIE. We believe that with increasing use of therapeutic hypothermia for HIE, clinicians are likely to encounter this condition more frequently.
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PMID:Neonatal hypercalcemia secondary to subcutaneous fat necrosis successfully treated with pamidronate: a case series and literature review. 2545 91

Moderate therapeutic hypothermia (MTH) significantly reduces the risk of death or long-term neurodevelopmental disability. Subcutaneous fat necrosis (SCFN) is a rare particular form of panniculitis in full-term newborns. It can occur in preterm infants with predisposing risk factors (birth asphyxia, gestational diabetes, etc.). A few cases of SCFN after MTH have been described. We report two original cases of SCFN after MTH in newborns of African origin. Ethnic origin has not yet been reported in the literature as a risk factor. We describe here the possibility of a new risk factor of SCFN. Dermatologists and pediatricians should be aware of this complication and recognize it early because of the risk of hypercalcemia, even late after skin remission.
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PMID:[Subcutaneous fat necrosis after moderate therapeutic hypothermia in two newborns of African origin]. 2548 93

Subcutaneous fat necrosis (SCFN) of the neonate is a rare panniculitis of early life that occurs in association with gestational diabetes and preeclampsia, as well as perinatal asphyxia, hypothermia, and trauma. A characteristic feature of this condition is its self-limiting and monophasic nature. We report a highly unusual case of delayed SCFN in a male neonate involving an anatomically discrete eruption, reminiscent of erythema nodosum, occurring many weeks after his original eruption had resolved.
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PMID:Subcutaneous Fat Necrosis of the Neonate with a Delayed Second Eruption. 2682 71

Subcutaneous fat necrosis of the newborn (SFN) is a rare form of panniculitis that can be complicated by hypercalcemia and nephrocalcinosis. We conducted a 20-year retrospective cohort study of 30 patients to describe the clinical characteristics of SFN and the prevalence of hypercalcemia and other complications. Hypoxia and therapeutic hypothermia (TH) seem to play an important role in the development of SFN. Hypercalcemia developed in 63% of patients, three of whom developed nephrocalcinosis. There is a need for well-controlled prospective studies to determine the natural history, prevalence, and incidence of complications of SFN.
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PMID:Subcutaneous Fat Necrosis of the Newborn: A 20-Year Retrospective Study. 2757 11

Subcutaneous fat necrosis of the newborn is a rare benign panniculitis found in term and post-term neonates. Diagnosis is based on clinical characteristics and specific alterations in the adipocytes, detected by anatomical pathology. Subcutaneous fat necrosis of the newborn can occur in uncomplicated pregnancy and childbirth. However, perinatal complications such as asphyxia, hypothermia, seizures, preeclampsia, meconium aspiration, and even whole-body cooling used in newborns with perinatal hypoxia/anoxia may be associated with this entity.
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PMID:Subcutaneous fat necrosis of the newborn: clinical and histopathological correlation. 2992 24


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