Israel Medical Association Journal

Background: Coronavirus disease 2019 (COVID-19) causes severe complications in 15% of patients, many of whom are pregnant. Most infected women continue their pregnancies until term even though severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) replicates in the decidua.

Objectives: To assess the impact of SARS-CoV-2 infection remote from delivery on obstetric outcomes.

Methods: Women diagnosed with SARS-CoV-2 infection confirmed by polymerase chain reaction at least 14 days prior to delivery were enrolled prospectively and followed monthly until delivery. Their obstetric outcomes were compared to those of women who gave birth at our center during the year preceding the pandemic. The primary endpoint was a composite of hypertensive disorders of pregnancy, oligohydramnios, and fetal distress or meconium-stained amniotic fluid during labor. Other demographic and obstetric variables were also recorded.

Results: The obstetric outcomes of 143 patients were compared to those of 3565 patients who gave birth during the year preceding the pandemic. The composite rate of placental complications was significantly higher in the study group (58 [41%] vs. 593 [17%], respectively), with an odds ratio of 3.4 (95% confidence interval 2.4–4.7). There was also an increased rate of labor induction or advancing the elective cesarean date in the study group (37 [26%] vs. 601 [17%]). No significant differences were found in the Apgar score, cord pH or gestational age at infection.

Conclusions: The risk of placental complications remains greater in pregnant women infected with SARS-CoV-2 after acute illness resolution. Those patients should be monitored closely until delivery.

Background: Hypertrophic pyloric stenosis classically presents as projectile vomiting during the third to fourth week of life associated with good appetite. Additional classical presenting findings include palpation of the pyloric tumor, described as olive-shaped, a visible gastric peristaltic wave after feeding, and hypochloremic, hypokalemic metabolic alkalosis. It was recently claimed that this presentation has changed due to the easier access to gastrointestinal imaging.

Objective: To validate this contention and discuss possible reasons.

Methods: We conducted a retrospective chart review of all patients who underwent pyloromyotomy for HPS[1] between 1990 and 2000. Only patients with confirmed HPS at the time of surgery were included. We also performed a comprehensive review of older studies for comparison.

Results: Seventy patients underwent pyloromyotomy over the 10 year period. Overall, 81% of patients were male infants and the mean age at diagnosis was 40 days. The mean duration of symptoms was 8 days. A firstborn child was noted in 43% of the cases. The classical symptom of projectile vomiting was absent in one-third of the patients, a pyloric tumor was not palpated in one-half of the cases, bicarbonate was higher than 28 mEq/L in 20% and a pH of above 7.45 was present in 25% of patients. Hypochloremia was noted in about one-third. We found a good correlation between ultrasonographic width and length of the pylorus and the intraoperative findings. Pylorus length ≥ 24 mm correlated with significantly longer duration of symptoms. When compared with previous studies, the main findings were not significantly different; namely, mean age at diagnosis, percentage of male gender and duration to diagnosis. The decrease in the number of pyloric tumors palpated paralleled the increase in the use of upper gastrointestinal series and ultrasonography in particular.

Conclusions: The clinical presentation of HPS has not actually changed despite the easier accessibility of GI imaging studies. However, the one significant change is the low percentage of pyloric tumors palpated, probably due to declining clinical skills, accompanied by earlier utilization of imaging studies. The use of imaging and laboratory studies did not change the age at diagnosis but may have shortened the time for diagnosis and reduced the postoperative stay. Imaging and laboratory studies may be helpful for the subgroup with a non-classical clinical presentation.