The chapter presents the nutritional requirements of ewes during conception and pregnancy, as well as the effects of these reproductive stages on nutrient metabolism and partitioning. The relationships between fetal nutrition and reproductive potential, postnatal nutrition and reproductive performance, and nutrition and ovulation rate are discussed. The importance of vitamin E, selenium and iodine for neonatal viability and colostrum production is explained.
Objectives: To determine (1) the antenatal detection rate for isolated cleft lip and/or cleft palate during the routine anomaly scan; (2) the correlation between prenatal diagnosis and postnatal findings, and (3) the association of apparently isolated cleft lip and/or cleft palate with other anomalies, in particular chromosomal abnormalities. Method: A population-based retrospective analysis of all cases of isolated cleft lip and/or cleft during an 8-year period in an academic teaching hospital in the UK. Results: Thirty-nine cases of isolated cleft lip and/or cleft palate were identified among deliveries at the hospital. Twenty-eight cases had a routine anomaly scan. Fourteen cases were detected prenatally (sensitivity 50%). None of the isolated cleft palates was detected, while 14 of 20 cases of cleft lip (70%) were detected. One of the isolated cases of cleft lip was associated with trisomy 21, while 3 of the isolated cleft palate cases were associated with the Pierre Robin syndrome. In all cases, an antenatal diagnosis of cleft was confirmed following delivery or post-mortem examination (specificity 100%). Conclusions: Ultrasound is a useful tool in screening for cleft lip with or without cleft palate, but not for cleft palate alone. Even with an isolated cleft lip, there is an increased risk of chromosomal abnormality. The role of prenatal education and support is extremely important in the preparation of prospective parents and can help alleviate the shock which occurs when there is an unexpected cleft at birth.
A 41-year-old, obese, patient was admitted to Accident and Emergency with a history of leg cellulitis. A central line was inserted. Documented aspiration of blood from all lines, central venous pressure trace obtained and correct position noted on the chest X-ray (CXR). The patient became increasingly septic despite antibiotic therapy. He was subsequently commenced on a noradrenaline infusion; however, the blood pressure was unresponsive. On admission to the intensive care unit (ICU), it was noted he had an area of white skin over the right clavicle. The infusions were stopped and a CXR confirmed proximal migration of the line. The central line was re-sited and his noradrenaline recommenced with an improvement in his blood pressure. Acute renal failure developed which required haemofiltration for 24 hours. The condition improved and the patient was discharged from ICU. It took several weeks for his renal function to return to normal, but he was discharged home with no permanent damage.
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