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Biomedical subjects

S Patole

Publications and source records attributed to S Patole.

33 records · Page 2Linked to original sources

Gestational magnesium deficiency is deleterious to fetal outcome.

A number of recent epidemiological findings have implicated magnesium as being essential to fetal well-being. Few studies, however, have examined the relationship between maternal requirements for dietary magnesium and subsequent mortality and morbidity in offspring. The present study uses a rodent model of dietary-induced hypomagnesemia to investigate the effects of magnesium deficiency prior to and during gestation on neonatal morbidity and mortality. Magnesium deficiency during gestation significantly increased neonatal mortality and morbidity. Such increases were associated with a reduced free magnesium concentration in both maternal and offspring blood and an increased incidence of periventricular hemorrhage and edema in newborn pups as observed by magnetic resonance imaging and histology. Animals fed a magnesium-deficient diet before mating but given magnesium supplementation during gestation did not demonstrate a significant change in neonatal mortality and morbidity when compared to control animals. The significant improvement in fetal outcome with dietary magnesium supports the concept of magnesium supplementation during pregnancy.

Animals↗

Meconium thorax: a case report and review of literature.

A case is presented in which extension of meconium peritonitis through muscular defects in the diaphragm lead to intrathoracic calcifications diagnosed sonographically at 23 weeks of gestation. There were three diaphragmatic defects, two small ones corresponded to foramina of Morgagni and one large posterior defect that did not correspond to the foramen of Bochdelak. There were three additional muscular defects: one in the rectus abdominus and two, bilaterally, in the loins. Despite long-standing fetal ascites and fresh intraperitoneal meconium at laparotomy, postoperative progress was uneventful. The baby did not have other dysmorphic features except for a single palmar crease, the chromosomes were normal, and the baby did not have cystic fibrosis. Follow-up examination at 10 months showed a thriving infant with mild hypotonia and developmental delay, but no respiratory or gastrointestinal problems.

Adult↗

Telemedicine in neonatology: lessons from North Queensland.

Using videoconferencing technology, educational programs in neonatology were provided for staff at rural hospitals. The technology was also used to reunite babies with their families and its usefulness in long-distance diagnosis was assessed. Eighty-two educational sessions were delivered over a 9 month period and, despite problems with technology, operation and presentation, were considered worthwhile by the audiences. Family reunions were very successful. Neonatal diagnosis was impossible at the narrow bandwidth used (128 kilobits/s). Valuable lessons were learned regarding optimum use of this medium.

Education, Medical, Continuing↗

Randomised controlled trial of cisapride in feed intolerance in preterm infants.

AIM: To assess the efficacy of cisapride in reducing the time required to establish enteral feeds in preterm infants. METHODS: A randomised, double blind, placebo controlled trial was conducted of 34 infants of < or = 32 weeks of gestation, assigned to receive either cisapride 0.2 mg/kg/dose four times daily (n = 18) or placebo (n = 16). RESULTS: The time taken by the babies to tolerate full enteral feeds was not significantly different between the groups (median 9.5 days vs 10 days). There was a significantly lower incidence of large gastric residuals and regurgitation in the treated group compared with the placebo group. The number of episodes of large gastric residuals per infant was also significantly less. No adverse effects were noted. CONCLUSION: The routine use of cisapride in preterm infants cannot be recommended to decrease the time to establish enteral feeds. Its use may be justified for clinically significant gastric stasis or regurgitation.

Cisapride↗

Improved oxygenation following adenosine infusion in persistent pulmonary hypertension of the newborn.

Six consecutive cases of persistent pulmonary hypertension of the newborn (PPHN) were treated with adenosine following failure of conventional therapy, excluding inhaled nitric oxide. A rise in arterial PO2 >20 mm Hg occurred in 5 of 6 cases within 30 min of commencing adenosine infusion. Individual maximal increases in PaO2 ranged from 31 to 131 mm Hg. Three neonates survived and 3 died. Amongst deaths, intensive support was withdrawn in a preterm neonate due to severe arthrogryposis/pulmonary hypoplasia. Of the remaining 2, the improvement in oxygenation persisted until death occurred from causes unrelated to adenosine. Side effects related to adenosine (bradycardia, hypotension, prolonged bleeding time) did not occur. Due to its ease of availability, administration and extremely short half-life, adenosine may be an important therapeutic option in PPHN.

Adenosine↗

Appropriate technology in keeping babies warm in India.

Provision of a thermoneutral environment to the newborns has made an important contribution to improved neonatal survivals. Modern systems which only warm one baby are expensive and their maintenance not very easy. Warming a room with three to four babies by means of simple devices is cost-effective and should be preferred by those to whom cost matters very much.

Body Temperature Regulation↗

Virtual elimination of necrotising enterocolitis for 5 years - reasons?

UNLABELLED: A standardised feeding regimen was adopted in 1997 for guiding enteral feeding of neonates <32 weeks' gestation during clinical trials (18 months each) involving erythromycin (n=73) as a prokinetic and carboxymethylcellulose (n=70) as a laxative as well as for during 2 years (n=155) without any trials. Most aspects of the feeding regimen (e.g., milk increments-total volume/day, use of breast milk by choice, etc) were not significantly different from current practices. RESULTS: 298 neonates <32 weeks' gestation (<28 weeks; n=78) were enterally fed during the 5 years. Their demographic characteristics and median (interquartile) age in days at starting (AST) and days to reach full enteral feeds (FFT) of 150 ml/kg/day were not significantly different during these 5 years: [AST: 5 (3-7.5)], [FFT: 4 (3-7)] Only one case of definite NEC (> or =Stage II) occurred during the 5 years. The time to reach full feeds was also reduced by over 54% (including for neonates <28 weeks gestation) compared with a historical cohort. CONCLUSION: Sustained reduction in the time to reach full feeds with virtual elimination of > or =Stage II NEC for 5 years indicates continued benefits of a standardised feeding regimen as a simple preventive strategy to prevent NEC. Whether our specific policy of no enteral feeds in presence of hemodynamic instability associated with PDA requiring indomethacin, and/or sepsis played a role in achieving the significant results needs controlled trials.

Carboxymethylcellulose Sodium↗