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Pyloromyotomy for hypertrophic pyloric stenosis (HPS) is one of the most common non-elective operations performed in the neonatal period. This project aims to explore outcomes of pyloromyotomy and compare differences between laparoscopic versus open pyloromyotomies in newborns diagnosed with HPS.The Nationwide Readmissions Database (NRD) from 2010 to 2014 was queried to identify patients diagnosed with HPS that underwent repair.In total, 30,915 children (18% female) underwent pyloromyotomy for HPS. Median length of stay for index admission was 2 days. A total of 212 (0.7%) patients required a redo pyloromyotomy. 127 (60%) were performed during index admission. Readmission rate at 30 days was 3% and 5% at one year, and 22% presented to a different hospital. The most common indications for readmission were feeding intolerance (24%), dehydration (10%), and malnutrition (10%). Patients from low-income households were more likely to present with malnutrition and weight loss (9% vs 4%, p0.001) and had higher readmission rates (8% vs 4%, p0.001). Laparoscopic pyloromyotomies accounted for 10% (n = 2951) of cases. Those undergoing laparoscopy were less likely to have electrolyte disturbances (41% vs 54%, p0.001) or weight loss (2% vs 11%, p0.001) on admission. The rate of open conversion was 1%. Intraoperative perforation was not more common in laparoscopic than open cases. Open pyloromyotomies had higher 30-day readmission rates and more surgical site infections.Complications from pyloromyotomies are rare. Although infrequent, the incidence of incomplete pyloromyotomy is higher than previously reported and more common with open approaches. Newborns from low-income households are more likely to present with advanced symptoms and have disproportionately higher rates of readmission.Level III TYPE OF STUDY: Treatment Study, retrospective.

Bicycle accidents are potentially preventable, and helmets can mitigate the severity of injuries. The purpose of the study it to investigate geo-demographic areas to establish prevention policies and targeted programs.From October 2013 to March 2020 all bicycle injuries at a Level 1 trauma center were collected for ages ≤18 years. Demographics, injuries, and outcomes were analyzed. Incidents were aggregated to zip codes and the Local Indicators of Spatial Association (LISA) statistic was used to test for spatial clustering of injury rates per 10,000 children.Over the 8-year time period, 77 cases were identified with an average age of 13±4 years, 83% male and 48% non-Hispanic white. The majority of patients (98%) were not wearing a helmet. Loss of consciousness was reported in 44% and 21% sustained a traumatic brain injury. Twenty-eight percent required ICU care and 36% required operative interventions. There was only 1 mortality in the cohort (1%).Injuries were more common in lower household income zip codes (Figure 1). Six zip codes encompassing several interstate exits and the connected heavy-traffic roadways comprise a statistically significant cluster of pediatric bicycle accidents (Figure 1).Low-income neighborhoods and those near major roadways held the highest risk for pediatric bicycle accidents. Use of helmets was extremely low in the patient population, with high rates of traumatic brain injury. With this information, targeted programs to address high-risk intersections, helmet access, and safety education can be implemented locally.

Malrotation with midgut volvulus is a surgical emergency commonly encountered in pediatric surgical practice. Outcomes are excellent with timely diagnosis and treatment, but the development of bowel ischemia is associated with many negative consequences.The Nationwide Readmissions Database was used to identify patients 0-18 years (excluding newborns) with malrotation and midgut volvulus from 2010 to 2014. Demographics, procedures, and outcomes were compared by income group (highest quartile vs. lowest quartile) using standard statistical tests. Results were weighted for national estimates.Emergency surgery for midgut volvulus was performed in 572 patients. The majority (86%) underwent Ladd's procedure, while 14% required bowel resection and/or ostomy. Patients in the lowest income quartile were more likely to require bowel resection (18% vs. 8%, p = 0.03) or ostomy (9% vs. 2%, p = 0.015) compared to those in the highest income quartile. Low-income patients were more likely to experience prolonged hospital stay (8 [5-13] days vs. 6 [4-8] days, p0.001) and experience complications including infections (19% vs. 5%, p = 0.002), endotracheal intubation (18% vs. 4%, p0.001), and blood transfusions (13% vs. 3%, p = 0.003).Income disparity represents a major factor in surgical outcomes in children with midgut volvulus. A broad spectrum of clinical outcomes following surgery for midgut volvulus exists. Patients from lower-income communities are at significantly higher risk for numerous complications, negative outcomes, and higher resource utilization. These findings support additional investigations of practices to mitigate risk for low-income patients.Level III: Retrospective comparative study.

Down syndrome (DS) is the most common abnormality associated with Hirschsprung disease (HD). It has been suggested patients with HD and DS have worse outcomes, however the literature is controversial.The Kids' Inpatient Database (KID) from 2003 to 2012 was used to identify newborns with HD. Demographics, hospital characteristics, and outcomes were compared among patients with and without DS using standard statistical tests.There were 481 patients identified with HD, of which 45 (9%) had DS. Patients with DS were older at the time of first rectal biopsy (6 [3-11] days vs. 4 [3-6] days, p = 0.012). There were no differences in operative versus non-operative management in patients with and without DS (p = 0.706). Hospital length of stay was longer in the DS cohort (22 [13-33] days vs. 15 [10-24] days, p = 0.019), and patients with DS were more likely to have a concomitant diagnosis of wound infection (12% vs. 3%, p = 0.002) and necrotizing enterocolitis (14% vs. 5%, p = 0.018). The mortality rate for patients with DS was four times higher than those without DS (5% vs.0.8%, p = 0.018).In this nationwide cohort of patients with Hirschsprung disease, those with Down syndrome experienced delays in diagnosis and worse outcomes.Level III.Treatment study, retrospective comparative study.

Pediatric patients with Crohn's disease often require colectomies. The laparoscopic approach is considered safe, but there is little national data on outcomes and readmissions in this population.The Nationwide Readmissions Database was queried from 2010 to 2014 for patients ≤ 18 years who underwent colectomy for Crohn's disease during index admission. Patients were stratified by operative approach: laparoscopic versus open. Outcomes were compared with standard statistical methods.There were 2833 patients (47% female) who underwent a colectomy via laparoscopic (58%) vs. open (42%) approach. Index admissions were elective 55% of the time. Most operations were right hemicolectomy (86%), followed by total colectomy (8%). Of the study population, 489 (17%) were diverted with an ostomy. Readmission rates at 30 days and 1 year were 9% and 18%, respectively. The most common diagnoses at readmission were intra-abdominal infection (16%), small bowel obstruction (16%), and surgical site infection (9%). Laparoscopy was more commonly performed during elective admissions (63% vs. 44%), for patient with private insurance (72% vs. 39%), and for patients in the highest income quartile (66% vs. 48% in the lowest income quartile), all p0.001. Length of stay was longer on index admission for open colectomy (8[5-12] days vs. 6[4-11] days, p0.001), while cost was similar ($17,754[$12,375-$30,625] vs. $17,017[$11,219-$27,336], p = 0.104). There were no differences in readmission rate, intraabdominal infection or small bowel obstruction.In pediatric patients, laparoscopic colectomy for Crohn's disease is safe and is associated with shorter hospitalization and equivalent hospital costs compared to the open procedure. Socioeconomic disparities in laparoscopic utilization exist and warrant future investigation.Level III.

This study aims to compare the morbidity of open versus laparoscopic colectomy or proctocolectomy for pediatric patients with ulcerative colitis (UC) using national readmission outcomes.The 2010-2014 Nationwide Readmissions Database was used to identify patients18 years (excluding newborns) who underwent colectomy or proctocolectomy for UC. Patients with planned readmissions for staged procedures were excluded from readmission analysis. Demographics, hospital factors, and outcomes were compared by operative approach (open vs. laparoscopic) using standard statistical analysis. Results were weighted for national estimates.There were 1922 patients (51% female, age 13 ± 3 years) with UC who underwent colectomy or proctocolectomy during index admission. Most cases were performed open (54%) and as elective admissions (64%). Compared to open approach, laparoscopy was associated with shorter index hospital length of stay (8 [5-17] days vs. 9 [6-18] days, p = 0.015), fewer surgical site infections (2% vs. 2%, p = 0.022), and less post-operative gastrointestinal dysfunction (5% vs. 8%, p = 0.008). After stratifying to control for elective and unplanned index admissions, laparoscopic approach was associated with fewer small bowel obstructions during index hospitalizations in both elective (9% vs. 15%, p = 0.003) and unplanned (5% vs. 16%, p0.001) settings. Readmission for surgical site infection was also less common following laparoscopic approach in both elective (0% vs. 7%, p = 0.008) and unplanned (0% vs.7%, p = 0.017) settings.In pediatric patients with ulcerative colitis, laparoscopic colectomy or proctocolectomy is associated with shorter hospital length of stay, less post-operative complications, and improved readmission outcomes.

There were in all 116 children examined, 58 boys and 58 girls. Von Pirquet reactions were made on all cases with old tuberculin and bovine tuberculin. Whenever a positive reaction was present for one, it was also present for the other. There were no exceptions to this rule. Of the 58 boys, 20 reacted positive and 38 negative. Of the 58 girls, 22 reacted positive and 36 negative—a total of 42 positives and 74 negatives. In 18 out of 20 positive reactions in boys, a clinical diagnosis of tuberculosis of the bone had been made. In the other two positive cases, one suffered from clubfoot and the other from infantile paralysis. In 15 out of the 22 positive von Pirquet reactions in girls, the clinical diagnosis was tuberculosis of the bones or joints. Of the other 7 cases, one had clubfoot, 2 dislocated hips, 2 rickets, and 2 curvature of

The treatment of syphilis with the different mercurial preparations is still a haphazard affair, the rule being to give as much mercury as the patient will tolerate without salivation or diarrhea. Assuming that the amount of mercury eliminated in the urine during a given time would give a fair index of the amount in the circulation, Ramsey and Ziegler made some experiments, the report of which was read before this societyin 1918. 1 From this series of experiments we were able to draw the following conclusions: In infants and children, mercury, when given by the month, by inunction or intramuscularly, is excreted at least partly by the urine. In new-born infants and older children mercurial ointment when placed in contact with the skin, without any friction being used (protected and sealed by wax paper from being volatilized and inhaled), is taken up by the skin and excreted in the urine

M. L., a girl, was first seen two years ago, aged 3 years. She was of normal birth and was breast fed for one year. There were three other children, all of whom were normal. The past history of the patient was unimportant, there were no previous illnesses. The child was brought in because the teeth were badly decayed and the mouth constantly dry. The mother said that when nursing, the milk would collect around the inside of the lips and cheeks and become dry. She would always have to wash it off with wet cotton before the next nursing. The tongue and mouth always seemed dry. The condition of the mouth on examination was then as follows: The teeth were discolored, the gums retracted around the teeth, so that they seemed to be stuck in the jaws at irregular angles. The child ate well, but had to take drinks

In spite of the different forms of arsenic used under various trade names, mercury, in some form, still holds the foremost place in the treatment of syphilis. Even when the arsenic preparations are used, mercury is usually continued for long periods in order to effect a cure. Many of the salts of mercury, including metallic mercury itself, are administered in various ways: by mouth, by insufflation, subcutaneously and by inunction. ABSORPTION AND ELIMINATION OF MERCURY Owing to the difficulty in detecting mercury in the body fluids, little light has been thrown on the question as to what extent the different forms of mercury were absorbed and how eliminated. Meyer and Gottleib 1 state, "the excretion of mercury in the urine offers a means of estimating the amounts of mercury circulating in the body and the duration of its action. After absorption it circulates as a compound of mercury albuminate and

The medical profession is very reluctant to adopt new standards, but having been once convinced as to their correctness, they are just as loath to discard them. The result is that certain standards such as weights and measures, for example, are copied by one writer after another for years without any one, or at least very few, taking the trouble to verify their correctness. Standards which are correct in one country are often quite incorrect in another country, under different conditions. The following observations were made from the charts in the ward for new-born of the University Hospital where, owing to the efforts of Dr. Sedgwick, chief of the Pediatric Department, and the cooperation of Dr. Litzenberg, chief of the Obstetric Clinic, all new-born infants come under the pediatrics service directly after birth. The points to be ascertained from an analysis of the charts were as follows: The average birth

Since Escherich, in 1898, demonstrated infections of the urinary tract with the colon bacillus in infants and children to be extremely common, the subject has been discussed from almost every point of view. The route by which the infection gains entrance to the urinary tract is yet to be decided, as recently pointed out by Helmholz. 1 In looking over the literature for the past twenty years, it is interesting to note that practically nothing new has been added during the past ten years. In 1910, I published an analysis of twenty-five cases, 2 the first dating 1901, which included virtually every clinical phase of the disease. The one characteristic symptom is the sudden onset with high fever, frequently as high as 105 or 106 F. There is often no other symptom and the child does not seem to be "sick" enough to correspond to the degree of fever present