Use of magnets in pediatric surgery.

Since the 1970s, magnets have been progressively harnessed for use in minimally invasive treatment of pediatric surgical disease. In particular, multiple magnetic devices have been developed for treating esophageal atresia, pectus excavatum and scoliosis. These devices, which can be placed via small incisions or under endoscopic or fluoroscopic guidance, provide the added benefit of sparing patients multiple large, invasive procedures, and allowing for gradual correction of congenital anomalies over days to months, depending on the disease. In the following text, we detail the current landscape of magnetic devices used by pediatric surgeons, illustrate their use through clinical cases, and review the available body of literature with respect their outcomes and complications.

Multicenter Assessment of Cryoanalgesia Use in Minimally Invasive Repair of Pectus Excavatum: A 20-center Retrospective Cohort Study.

OBJECTIVE: To assess the clinical implications of cryoanalgesia for pain management in children undergoing minimally invasive repair of pectus excavatum (MIRPE). BACKGROUND: MIRPE entails significant pain management challenges, often requiring high postoperative opioid use. Cryoanalgesia, which blocks pain signals by temporarily ablating intercostal nerves, has been recently utilized as an analgesic adjunct. We hypothesized that the use of cryoanalgesia during MIRPE would decrease postoperative opioid use and length of stay (LOS). MATERIALS AND METHODS: A multicenter retrospective cohort study of 20 US children's hospitals was conducted of children (age below 18 years) undergoing MIRPE from January 1, 2014, to August 1, 2019. Differences in total postoperative, inpatient, oral morphine equivalents per kilogram, and 30-day LOS between patients who received cryoanalgesia versus those who did not were assessed using bivariate and multivariable analysis. P value <0.05 is considered significant. RESULTS: Of 898 patients, 136 (15%) received cryoanalgesia. Groups were similar by age, sex, body mass index, comorbidities, and Haller index. Receipt of cryoanalgesia was associated with lower oral morphine equivalents per kilogram (risk ratio=0.43, 95% confidence interval: 0.33-0.57) and a shorter LOS (risk ratio=0.66, 95% confidence interval: 0.50-0.87). Complications were similar between groups (29.8% vs 22.1, P =0.07), including a similar rate of emergency department visit, readmission, and/or reoperation. CONCLUSIONS: Use of cryoanalgesia during MIRPE appears to be effective in lowering postoperative opioid requirements and LOS without increasing complication rates. With the exception of preoperative gabapentin, other adjuncts appear to increase and/or be ineffective at reducing opioid utilization. Cryoanalgesia should be considered for patients undergoing this surgery.

Delayed Repeat Contrast Enema for Treatment of Pediatric Intussusception.

INTRODUCTION: Ileocolic intussusception is a common cause of pediatric bowel obstruction. Contrast enema is successful in treating the majority of patients, and if initially unsuccessful, approximately one-third may be reduced with repeat enemas. We sought to study protocol implementation for delayed repeat enema in pediatric patients not reduced completely by an initial contrast enema. Our aims were to assess repeat enema success rates and outcome differences in preprotocol and postprotocol patients with respect to (1) intussusception recurrence, (2) surgical intervention and complication rates, and (3) length of stay. MATERIALS AND METHODS: We performed a retrospective review of treatment and clinical outcomes prior to and following protocol implementation for repeat enema for intussusception at two tertiary pediatric referral hospitals. The preprotocol period was defined from 2/2013 to 2/2016, and the postprotocol period was from 8/2016 to 11/2019. RESULTS: There were 112 patients in the preprotocol group, with 74 (66%) having successful reduction following the first enema. Of the 38 patients without successful reduction, 16 (42%) patients underwent repeat enema, and five were successful (31%). The postprotocol group included 122 patients, with 84 (69%) having successful first reduction. Of the 38 patients that failed, 25 patients (66%) underwent repeat enema, of which 13 (52%) were successful. Compared to preprotocol patients, postprotocol patients had significantly more enemas repeated and a trend toward fewer surgical interventions. CONCLUSIONS: Protocol implementation of repeat delayed enemas was significantly associated with an increased rate of repeat enemas at our institutions and reduced need for operative intervention during the index stay.

Analysis of the pediatric surgery fellowship application process using the Thalamus™ database.

BACKGROUND: The pediatric surgery fellowship interview process is costly and time intensive. We hypothesized that the increasing number of interviews completed by applicants and programs have become inefficient over time. METHODS: We analyzed pediatric surgery fellowship program and applicant interview data between 2018 and 2020. Cancellations, program fill time, regional analysis of programs and applicants, and program rank list data were also captured. Analyses were performed using descriptive statistics and Chi-Square analysis. RESULTS: Our dataset included 34, 41, and 45 programs, which represented 81%, 91%, and 97% of all programs in 2018, 2019, and 2020, respectively. The median number of interviews completed per program remained constant, while the median number of interviews per applicant increased from 9.0 in 2018 to 13.0 in 2020. For 75% of programs, a program required only 4 or less candidates to fill their position. On average, 96% of program interviews do not result in a matched candidate. CONCLUSIONS: Programs offer interviews out of proportion to the number of positions available, and most applicants attend all interviews offered. We recommend an initial program goal of 20 interviews, which may be achieved by increased use of virtual interviews and the creation of program-level data on ideal applicant profiles.

Are Surgical Guideline Changes in Diverticulitis Care Associated With Decreased Inpatient Healthcare Expenditure?

Objective: To examine possible associations in inpatient healthcare expenditure and guideline changes in the surgical management of diverticulitis, in terms of both cost per discharge and total aggregate costs of care. Background: Medical costs throughout the healthcare system continue to rise due to increased prices for services, increased quantities of high-priced technologies, and an increase in the amount of overall services. Methods: We used a retrospective case-control design using the Healthcare Cost and Utilization Project National Inpatient Sample to evaluate cost per discharge and total aggregate costs of diverticulitis management between 2004 and 2015. The year 2010 was selected as the transition between the pre and postguideline implementation period. Results: The sample consisted of 450,122 unweighted (2,227,765 weighted) inpatient discharges for diverticulitis. Before the implementation period, inpatient costs per discharge increased 1.13% in 2015 dollars (95% confidence intervals [CI] 0.76% to 1.49%) per quarter. In the postimplementation period, the costs per discharge decreased 0.27% (95% CI -0.39% to -0.15%) per quarter. In aggregate, costs of care for diverticulitis increased 0.61% (95% CI 0.28% to 0.95%) per quarter prior to the guideline change, and decreased 0.52% (95% CI -0.87% to -0.17) following the guideline change. Conclusions: This is the first study to investigate any associations between evidence-based guidelines meant to decrease surgical utilization and inpatient healthcare costs. Decreased inpatient costs of diverticulitis management may be associated with guideline changes to reduce surgical intervention for diverticulitis, both in regards to cost per discharge and aggregate costs of care.

Kids grow up so fast: national patterns of positive drug/alcohol screens among pediatric trauma patients.

BACKGROUND: National guidelines recommend screening all trauma patients for drug and alcohol use beginning at age 12, but no national data have examined rates of screening or positive results in this population. METHODS: We examined national testing rates and results among all trauma patients under 21 years old in the 2017 American College of Surgeons Trauma Quality Programs (TQP) database. RESULTS: Of a cohort of n = 157,450 pediatric and adolescent trauma patients, n = 45,443 (28.9%) were screened, and n = 16,662 (36.7%) of those had a positive result. While both testing and positive results increased with age, testing rates were only 61.7% by age 20 and the prevalence of positive results was significant even at younger ages. Cannabinoids were the most commonly detected substance, followed by alcohol, and then opioids. CONCLUSIONS: These national data support the need for further efforts to increase screening rates and provide structured interventions to mitigate the consequences of substance abuse. IMPACT: These data provide the first national evidence of underutilization of drug and alcohol screening in pediatric and adolescent trauma patients, with substantial rates of positive screens among those tested. Cannabinoids were the most commonly detected substance, followed by alcohol and then opioids. These data should guide physicians' and policymakers' efforts to improve screening in this high-risk population, which will amplify the potential benefits of using the trauma admission as a critical opportunity to intervene with structured programs to mitigate the consequences of substance abuse.

Failure of primary closure predicts prolonged length of stay in gastroschisis patients.

PURPOSE: Current literature regarding outcomes of gastroschisis closure methods do not highlight differences in patients who successfully undergo primary closure with those who fail and require silo placement. We hypothesize that failure of primary closure has significant effects on clinical outcomes such as length of stay and time to enteral feeding. METHODS: We conducted a retrospective review between 2009 and 2018 of gastroschisis patients at a tertiary pediatric referral hospital. We compared patients successfully undergoing primary closure to patients who failed an initial primary closure attempt. Bivariate and multivariate linear regression models were used to assess the association of closure method on clinical outcomes. RESULTS: Sixty-eight neonates were included for analysis, with 44 patients who underwent primary closure and 24 who failed primary closure. On multivariate regression analysis, primary closure patients had shorter estimated time to starting and to full enteral feeds and decreased LOS as compared to those who failed primary closure. Two patients (4.44%) had complications related to primary closure. CONCLUSION: Patients able to undergo primary closure for gastroschisis were more likely to have a shorter length of stay, shorter time to enteral feeds, and use much fewer medical resources. Initial primary closure is a safe method for most patients.

Trauma system funding: implications for the surgeon health policy advocate.

BACKGROUND: Trauma systems improve mortality for the most severely injured patients; however, these systems are managed by individual states with different funding mechanisms, which can lead to inconsistencies in the quality of care. This study compiles trauma system legislation and regulations of funding sources and creates a trauma funding categorization system. Such data help to inform the systems of trauma care delivery within and between states. METHODS: Online searches of state statutes were performed to establish the presence of legislative code to establish a trauma system, the presence of legislative code that funds these trauma systems, and the amount of funding that was allocated to each state's trauma system in fiscal year 2016 to 2017. Following this, each state's trauma system was contacted via email and telephone to further obtain this information. RESULTS: Specific state legislation creating a trauma system was identified in 48 states (96%). Data for categorization of trauma system funding were obtained in 30 states (60%). Of these 30 states, 29 have legislation funding their trauma systems. 17 states funded their trauma systems through general appropriations legislation, 10 states used percentages of fines from criminal and misdemeanor offenses, and 7 states used fees and taxes. New York state does not have any specific funding legislation. Individual state financial contributions to state trauma systems ranged from $55 000 to $25 899 450, annually. DISCUSSION: There is a limited amount of trauma system funding details available, and among these there is wide variation of funding source types and amounts allotted toward trauma systems. It is difficult to obtain and summate legislative information for use for surgical health policy advocacy efforts. Further study and method development to disseminate comprehensive and comparative legislative and regulatory data and information to physicians and other trauma system stakeholders are needed. LEVEL OF EVIDENCE: III, economic and valued-based evaluation; analyses based on limited alternatives and costs; poor estimates.

Association Between Medicaid Expansion and the Use of Outpatient General Surgical Care Among US Adults in Multiple States.

Importance: The Affordable Care Act expanded access to Medicaid coverage in 2014 for individuals living in participating states. Whether expanded coverage was associated with increases in the use of outpatient surgical care, particularly among underserved populations, remains unknown. Objective: To evaluate the association between state participation in the Affordable Care Act Medicaid expansion reform and the use of outpatient surgical care. Design, Setting, and Participants: This case-control study used a quasi-experimental difference-in-differences design to compare the use of outpatient surgical care at the facility and state levels by patient demographic characteristics and payer categories (Medicaid, private insurance, and no insurance). Data from 2013 (before Medicaid expansion reform) and 2015 (after Medicaid expansion reform) were obtained from the State Ambulatory Surgery and Services Database of the Healthcare Cost and Utilization Project. The absolute and mean numbers of procedures performed at outpatient surgical centers in 2 states (Michigan and New York) that participated in Medicaid expansion (expansion states) were compared with those performed at outpatient surgical centers in 2 states (Florida and North Carolina) that did not participate in Medicaid expansion (nonexpansion states). The population-based sample included 207 176 patients aged 18 to 64 years who received 4 common outpatient procedures (laparoscopic cholecystectomy, breast lumpectomy, open inguinal hernia repair, and laparoscopic inguinal hernia repair). Data were analyzed from May 19 to August 25, 2019. Interventions: State variation in the adoption of Medicaid expansion before and after expansion reform was implemented through the Affordable Care Act. Main Outcomes and Measures: Changes in the mean number of procedures performed at the facility level before and after Medicaid expansion reform in states with and without expanded Medicaid coverage. Results: A total of 207 176 patients (106 395 women [51.35%] and 100 781 men [48.65%]; mean [SD] age, 45.7 [12.4] years) were included in the sample. Overall, 116 752 procedures were performed in Medicaid expansion states and 90 424 procedures in nonexpansion states. A 9.8% increase (95% CI, 0.4%-20.0%; P = .04) in cholecystectomies, a 26.1% increase (95% CI, 9.8%-44.7%; P = .001) in lumpectomies, and a 16.3% increase (95% CI, 2.9%-31.5%; P = .02) in laparoscopic inguinal hernia repairs were observed at the facility level in expansion states compared with nonexpansion states. Among patients with Medicaid coverage, the mean number of procedures performed in all 4 procedure categories increased between 60.5% (95% CI, 24.7%-106.6%; P < .001) and 79.2% (95% CI, 53.5%-109.2%; P < .001) at the facility level. The increases in the number of Medicaid patients who received treatment exceeded the reductions in the number of uninsured patients who received treatment with laparoscopic cholecystectomy, open inguinal hernia repair, and laparoscopic inguinal hernia repairs in expansion states compared with nonexpansion states. Black patients received more laparoscopic cholecystectomies, lumpectomies, and open inguinal hernia repairs in expansion states than in nonexpansion states. Conclusions and Relevance: Study results suggest that Medicaid expansion was associated with increases in the use of outpatient surgical care in states that participated in Medicaid expansion. Most of this increase represented patients who were newly treated rather than patients who converted from no insurance to Medicaid coverage.

Did The ACA Lower Americans' Financial Barriers To Health Care?

The Affordable Care Act was designed to provide financial protection to Americans in their use of the health care system. This required addressing two intertwined problems: cost barriers to accessing coverage and care, and barriers to comprehensive risk protection provided by insurance. We reviewed the evidence on whether the law was effective in achieving these goals. We found that the Affordable Care Act generated substantial, widespread improvements in protecting Americans against the financial risks of illness. The coverage expansions reduced uninsurance rates, especially relative to earlier forecasts; improved access to care; and lowered out-of-pocket spending. The insurance market reforms also made it easier for people to get and stay enrolled in coverage and ensured that those who were insured had true financial risk protection. But subsequent court decisions and congressional and executive branch actions have left millions uninsured and allowed the risk of inadequate insurance to resurface.

Pediatric trauma venous thromboembolism prediction algorithm outperforms current anticoagulation prophylaxis guidelines: a pilot study.

PURPOSE: Venous thromboembolism (VTE) in injured children is rare, but sequelae can be morbid and life-threatening. Recent trauma society guidelines suggesting that all children over 15 years old should receive thromboprophylaxis may result in overtreatment. We sought to evaluate the efficacy of a previously published VTE prediction algorithm and compare it to current recommendations. METHODS: Two institutional trauma registries were queried for all pediatric (age < 18 years) patients admitted from 2007 to 2018. Clinical data were applied to the algorithm and the area under the receiver operating characteristic (AUROC) curve was calculated to test algorithm efficacy. RESULTS: A retrospective review identified 8271 patients with 30 episodes of VTE (0.36%). The VTE prediction algorithm classified 51 (0.6%) as high risk (> 5% risk), 322 (3.9%) as moderate risk (1-5% risk) and 7898 (95.5%) as low risk (< 1% risk). AUROC was 0.93 (95% CI 0.89-0.97). In our population, prophylaxis of the 'moderate-' and 'high-risk' cohorts would outperform the sensitivity (60% vs. 53%) and specificity (96% vs. 77%) of current guidelines while anticoagulating substantially fewer patients (373 vs. 1935, p < 0.001). CONCLUSION: A VTE prediction algorithm using clinical variables can identify injured children at risk for venous thromboembolic disease with more discrimination than current guidelines. Prospective studies are needed to investigate the validity of this model. LEVEL OF EVIDENCE: III-Clinical decision rule evaluated in a single population.

Hyperglycemia down-regulates cGMP-dependent protein kinase I expression in first trimester cytotrophoblast cells.

Diabetes in pregnancy is associated with microvascular complications and a higher incidence of preeclampsia. The regulatory signaling pathways involving nitric oxide, cGMP, and cGMP-dependent protein kinase (PKG) have been shown to be down-regulated under diabetic conditions and contribute to the pathogenesis of vascular complications in diabetes. The present study was undertaken to investigate how high glucose concentrations regulate PKG expression in cytotrophoblast cells (CTBs). Human CTBs (Sw. 71) were treated with 45, 135, 225, 495, or 945 mg/dL glucose for 48 h. Some cells were pretreated with a p38 inhibitor (10 µM SB203580) or 10 µM rosiglitazone. After treatment, the cell lysates were subjected to measure the expression of protein kinase G1α (PKG1α), protein kinase G1ß (PKG1ß), soluble guanylate cyclase 1α (sGC1α), and soluble guanylate cyclase 1 ß (sGC1ß) by Western blot. Statistical comparisons were performed using analysis of variance with Duncan's post hoc test. The expressions of PKG1α, PKG1ß, sGC1α, and sGC1ß were significantly down-regulated (p < 0.05) in CTBs treated with >135 mg/dL glucose compared to basal (45 mg/dL). The hyperglycemia-induced down-regulation of cGMP and cGMP-dependent PKG were attenuated by the SB203580 or rosiglitazone pretreatment. Exposure of CTBs to excess glucose down-regulates cGMP and cGMP-dependent PKG, contributing to the development of vascular complications in diabetic mothers during pregnancy. The attenuation of hyperglycemia-induced down-regulation of PKG proteins by SB203580 or rosiglitazone pretreatment further suggests the involvement of stress signaling mechanisms in this process.

Pre-eclampsia has an adverse impact on maternal and fetal health.

Pre-eclampsia (preE) is a multifaceted complication found uniquely in the pregnant patient and one that has puzzled scientists for years. PreE is not a single disorder, but a complex syndrome that is produced by various pathophysiological triggers and mechanisms affecting about 5% of obstetrical patients. PreE is a major cause of premature delivery and maternal and fetal morbidity and mortality. PreE is characterized by de novo development of hypertension and proteinuria after 20 weeks of gestation and affects nearly every organ system, with the most severe consequences being eclampsia, pulmonary edema, intrauterine growth restriction, and thrombocytopenia. PreE alters the intrauterine environment by modulating the pattern of hormonal signals and activating the detrimental cellular signaling that has been transported to the fetus. The fetus has to adapt to this intrauterine environment with detrimental signals. The adaptive changes increase the risk of disease later in life. This review defines the predisposition and causes of preE and the cellular signaling detrimental to maternal health during preE. Moreover, the risk factors for diseases that are transmitted to the offspring have been addressed in this review. The detrimental signaling molecules that have been overexpressed in preE patients raises the possibility that those signals could be therapeutically blocked one day.