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Biomedical subjects

C Ball

Publications and source records attributed to C Ball.

At least 109 records · Page 6Linked to original sources

Talc poudrage.

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Ethylene Oxide↗

Liver transplantation for neonatal haemochromatosis.

Two cases of neonatal haemochromatosis, a rare and often fatal metabolic disorder, presenting with acute liver failure, are reported. Both presented in the first week of life with hypoglycaemia, jaundice, and coagulopathy, with rapid deterioration of liver function. Both received a transplantation using reduced liver grafts. One child was well 18 months later. Few survivors have been reported and despite the difficult perioperative management, liver transplantation is the best treatment for neonatal haemochromatosis.

Female↗

Esmarch's mask.

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Anesthesia, Inhalation↗

Kocher's mask.

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Anesthesiology↗

Intestinal barrier failure and the development of the systemic inflammatory response syndrome.

At the present time, terms used to describe the clinical entity of sepsis are used inappropriately and interchangeably. The source and foci of infection are often unidentified, yet it is clear that some form of inflammatory episode is occurring. The following paper seeks to clarify the terminology used to describe 'sepsis' and link this with a non-bacteraemic source of this inflammatory response--the small intestine. The importance of accurately reflecting oxygen extraction and oxygen consumption by cells is addressed and a movement from the current emphasis on haemodynamic measurement to variables which reflect metabolic rate and lactic acidosis is discussed. Issues which are the concern of nurses working in intensive care are examined, in terms of primary prevention and secondary management.

Critical Care↗

Orthotopic liver transplantation for acute hepatic failure in children.

Thirty children received 35 liver transplants for fulminant or late-onset liver failure between March 1988 and May 1993. Aetiology included non-A non-B hepatitis in 12, Wilson's disease in 8, drug-induced hepatic failure in 6, hepatitis B in 1, hepatitis A in 1, tyrosinaemia in 1 and congenital haemochromatosis in 1. Three patients were retransplanted, one each for hepatic artery thrombosis, non-A non-B graft reinfection, and chronic rejection. Two of these three patients received a third transplant for chronic rejection and hepatic artery thrombosis. One patient in the retransplant group survived. Overall, graft and patient survival at a mean follow-up of 17 months were 49% and 57%, respectively. Mortality was related to vascular complications in three patients (hepatic venous obstruction, portal vein thrombosis and hepatic artery thrombosis). Two patients died of primary sepsis (cerebral aspergillosis and cytomegalovirus (CMV) pneumonitis in association with graft-versus-host disease). Systemic sepsis and multiorgan failure was documented as a cause of death in four children and sepsis in association with chronic rejection in a further three patients. One child died of respiratory failure 4 weeks after transplantation. Mortality in eight children less than 2 years was 75% and this was significantly greater than for older children (P < 0.003, Mantel Cox). Earlier referral, even in the absence of a definitive diagnosis and particularly in children under 2 years is advisable and may improve survival.

Adolescent↗

Insulin-like growth factors enhance phagocytosis by human neutrophils in vitro.

Polymorphonuclear neutrophils (PMNs) were isolated from human blood, and PMN phagocytosis was assessed by measuring the chemiluminescence (CL) response in the presence of ZAP (opsonized zymosin particles containing luminol). The administration of 6.5 nM of insulin-like growth factor I (IGF-I), des(1-3)-IGF-I, IGF-II or insulin to PMNs for 20 min resulted in significant increases of the CL response for all test preparations. Des(1-3)-IGF-I, a truncated IGF-I with low affinity binding to IGF binding proteins (IGFBPs), was the most potent CL stimulator. The CL production evoked by 6.5 nM of des(1-3)-IGF-I was inhibited significantly by both 0.25 and 1.0 nM of EGTA (Ca2+ chelator), or 10 microM nifedipine (Ca2+ channel inhibitor), pertussis toxin (0.05 and 1.0 micrograms/ml) or cholera toxin (5 micrograms/ml). These results suggest that IGF-I and its homologues are potent stimulators of phagocytosis and that this action is modulated by IGFBP, and may require extracellular Ca2+ and/or IGF-I receptor G-protein coupling.

Adult↗

Simultaneous partial monosomy 10p and trisomy 5q in a case of hypoparathyroidism.

We report a case of monosomy for the distal region of the short arm of chromosome 10 (p13----ter) associated with trisomy for the terminal region of the long arm of chromosome 5 (q35.2----ter) that had originated from adjacent 1 segregation of a maternal reciprocal balanced translocation (5;10)(q35.2;p13). We review the clinical findings of previously reported cases of both partial monosomy for 10p and of partial trisomy for 5q, but to our knowledge there are no previous reports of the effects of these two chromosome anomalies together. Clinically our patient showed features typical of partial monosomy for 10p (including hypothyroidism) rather than partial trisomy 5q.

Chromosome Aberrations↗