Mobile COVID-19 testing program in Phoenix: A retrospective observational cohort study of results, trends, and positivity rates

Over 3 years since the onset of the coronavirus (COVID-19), the COVID-19 pandemic remains a global health challenge. At the same time, review of the response to the current pandemic is required for planning for future pandemics and global health crises. Approximately 2.5 million cases of COVID-19 have been reported in Arizona, a state with a 7.2 million population. Analyzing trends in COVID-19 case and positivity rates is crucial in planning to ensure public health safety for both this and future pandemics. This current observational study analyzes the trends in COVID-19 testing and positivity rates in the Phoenix metropolitan area, from data collected from a mobile testing program between December 2020 and April 2022. A total of 72,827 COVID-19 tests were performed, with a total of 8666 positive cases, yielding an overall positivity rate of 11.9%. Case counts and positivity rates increased during the fall and winter months, peaking in January (January 2021: 13.96% and January 2022: 24.84%). These cyclical trends cyclical can help with planning and mitigation. Continued public health awareness, including vaccinations and testing, is required in controlling COVID-19 transmission.

Prehabilitation Programs Improve Exercise Capacity Before and After Surgery in Gastrointestinal Cancer Surgery Patients: A Meta-Analysis

INTRODUCTION

Prehabilitation programs or interventions are employed prior to surgery with the aim to optimize the patient before surgery and to improve their physiologic ability to recover from surgery. Components of these programs often include exercise, nutritional supplementation, and psychological interventions. This meta-analysis examines the impact of prehabilitation programs on both surgical and patient outcomes among gastrointestinal (GI) cancer patients undergoing surgery.

METHODS

A comprehensive literature search was conducted to identify all published randomized control trials (RCT) evaluating the use of prehabilitation programs (with one or more interventions) in GI cancer surgery patients. Outcomes assessed were 6-min walk distance (6MWD), postoperative complications, major complications (as defined as Clavien Dindo grade ≥ 3), surgical site infections (SSI), pneumonia, length of stay (LOS), 30-day readmission, and mortality.

RESULTS

Eleven RCTs including 929 patients (475 prehabilitation program and 454 controls) were analyzed. Prehabilitation programs were associated with statistically significant improvements in 6MWD between baseline and immediately prior to surgery (MD = 32.542 m; 95% CI, 10.774-54.310; p = 0.003) and 4-8 weeks after surgery (MD = 48.220 m; 95% CI, 1.532-94.908; p = 0.043) compared with patients who did not receive prehabilitation programs. Similar rates of postoperative complications, major complications, SSI, pneumonia, 30-day readmission, and mortality, as well as LOS, were observed (p > 0.05).

CONCLUSIONS

Prehabilitation programs improve exercise capacity both before and after surgery, with no significant difference in LOS, or rates of postoperative complications, 30-day readmission, and mortality. Future studies assessing the different components of prehabilitation programs to identify the most beneficial interventions are required.

Preoperative Scale to Determine All-Cause Readmission After Coronary Artery Bypass Operations

BACKGROUND

Coronary artery bypass graft (CABG) operations are associated with all-cause readmission rates of approximately 15%. In attempts to reduce readmission rates, the Hospital Readmission Reduction Program expanded to include CABG operations in 2015. The aim of this study was therefore to develop a predictive readmission scale that would identify patients at higher risk of readmission after CABG using commonly available administrative data.

METHODS

Data of 126,519 patients from California and New York (derivation cohort) and 94,318 patients from Florida and Washington (validation cohort) were abstracted from the State Inpatient Database (2006 to 2011). The readmission after CABG scale was developed to predict 30-day readmission risk and was validated against a separate cohort.

RESULTS

Thirty-day CABG readmission rates were 23% in the derivation cohort and 21% in the validation cohort. Predictive factors included older age, female gender (odds ratio [OR], 1.34), African American ethnicity (OR, 1.13), Medicare or Medicaid insurance, and comorbidities, including renal failure (OR, 1.56) and congestive heart failure (OR, 2.82). These were independently predictive of increased readmission rates (p < 0.01). The readmission scale was then created with these preoperative factors. When applied to the validation cohort, it explained 98% of the readmission variability.

CONCLUSIONS

The readmission after CABG scale reliably predicts a patient's 30-day CABG readmission risk. By identifying patients at high-risk for readmission before their procedure, risk reduction strategies can be implemented to reduce readmissions and healthcare expenditures.

Medical student attitudes and educational interventions to prevent neurophobia: a longitudinal study

BACKGROUND

With an aging American population, the burden of neurologic disease is intensifying and the decline in neurology residents and practicing neurologists is leaving these patients helpless and unable to find care. 'Neurophobia', a chronic illness that begins early in medical school, has been identified as a cause for the low number of neurology residents.

METHODS

A longitudinal study surveyed medical students at the beginning of their first year (M1) and then again at the beginning of their second year (M2). Three neuroscience educational interventions were studied: team based learning (TBL), case based teaching (CBT), and problem based learning (PBL). Participants provided self-reported neurophobia levels, attitudes about neuroscience, and the effectiveness of educational interventions.

RESULTS

A total of 446 students during M1 and 206 students during M2 participated in the survey. A significant change in self-reported neurophobia (p = 0.035) was observed from 19% in M1 to 26% in M2. Neuroscience knowledge and confidence managing a neurologic condition also significantly increased (p < 0.001 and p = 0.038 respectively). Perceived interest, difficulty, and desire to pursue a career in neuroscience did not a change significantly. Majority of students perceived CBT (76%), TBL (56%), and PBL (66%) beneficial. Only CBT demonstrated a statistical difference (p = 0.026) when stratified by self-reported change in neurophobia.

CONCLUSION

An increase in neurophobia after completing a neuroscience was observed but the prevalence rate of 26% was lower than previous studies. Knowledge about neuroscience increased significantly and educational interventions were considered beneficial by students. Thus, interventions that increase knowledge and decrease neurophobia can lead to an increase in students pursuing neurology residencies.

Bundles Prevent Surgical Site Infections After Colorectal Surgery: Meta-analysis and Systematic Review

INTRODUCTION

Colorectal surgeries (CRS) have one of the highest rates of surgical site infections (SSIs) with rates 15 to >30%. Prevention "bundles" or sets of evidence-based interventions are structured ways to improve patient outcomes. The aim sof this study is to evaluate CRS SSI prevention bundles, bundle components, and implementation and compliance strategies.

METHODS

A meta-analysis of studies with pre- and post-implementation data was conducted to assess the impact of bundles on SSI rates (superficial, deep, and organ/space). Subgroup analysis of bundle components identified optimal bundle designs.

RESULTS

Thirty-five studies (51,413 patients) were identified and 23 (17,557 patients) were included in the meta-analysis. A SSI risk reduction of 40% (p < 0.001) was noted with 44% for superficial SSI (p < 0.001) and 34% for organ/space (p = 0.048). Bundles with sterile closure trays (58.6 vs 33.1%), MBP with oral antibiotics (55.4 vs 31.8%), and pre-closure glove changes (56.9 vs 28.5%) had significantly greater SSI risk reduction.

CONCLUSION

Bundles can effectively reduce the risk of SSIs after CRS, by fostering a cohesive environment, standardization, and reduction in operative variance. If implemented successfully and complied with, bundles can become vital to improving patients' surgical quality of care.

Less Invasive Surfactant Administration Reduces the Need for Mechanical Ventilation in Preterm Infants: A Meta-Analysis

Neonatal respiratory distress syndrome due to surfactant deficiency is associated with high morbidity and mortality in preterm infants, and the use of less invasive surfactant administration (LISA) has been increasingly studied. This meta-analysis found that LISA via thin catheter significantly reduced the need for mechanical ventilation within the first 72 hours (relative risk [RR] = 0.677; P = .021), duration of mechanical ventilation (difference in means [MD] = −39.302 hours; P < .001), duration of supplemental oxygen (MD = −68.874 hours; P < .001), and duration of nasal continuous positive airway pressure (nCPAP; MD = −28.423 hours; P = .010). A trend toward a reduction in the incidence of bronchopulmonary dysplasia was observed (RR = 0.656; P = .141). No significant difference in overall mortality, incidence of pneumothorax, or successful first attempts was observed. LISA via thin catheter significantly reduces the need for mechanical ventilation within the first 72 hours as well as the duration of mechanical ventilation, supplemental oxygen, and nCPAP. LISA via thin catheter appears promising in improving preterm infant outcomes.

Probiotics improve the efficacy of standard triple therapy in the eradication of Helicobacter pylori: a meta-analysis

Introduction

Helicobacter pylori colonization is present in half of the world’s population and can lead to numerous gastrointestinal diseases if left untreated, including peptic ulcer disease and gastric cancer. Although concurrent triple therapy remains the recommended treatment regimen for H. pylori eradication, its success rate and efficacy have been declining. Recent studies have shown that the addition of probiotics can significantly increase eradication rates by up to 50%. This meta-analysis examines the impact of probiotic supplementation on the efficacy of standard triple therapy in eradicating H. pylori.

Methods

A comprehensive literature search was conducted using PubMed, Cochrane Central Registry of Controlled Trials, and Google Scholar (time of inception to 2016) to identify all published randomized control trials (RCTs) assessing the use of probiotics in addition to triple therapy for the treatment of H. pylori. Searches were conducted using the keywords “probiotics”, “triple therapy”, and “Helicobacter pylori”. RCTs comparing the use of probiotics and standard triple therapy with standard triple therapy alone for any duration in patients of any age diagnosed with H. pylori infection were included. H. pylori eradication rates (detected using urea breath test or stool antigen) were analyzed as-per-protocol (APP) and intention-to-treat (ITT).

Results

A total of 30 RCTs involving 4,302 patients APP and 4,515 patients ITT were analyzed. The addition of probiotics significantly increased eradication rates by 12.2% (relative risk [RR] =1.122; 95% confidence interval [CI], 1.091–1.153; P<0.001) APP and 14.1% (RR =1.141; 95% CI, 1.106–1.175; P<0.001) ITT. Probiotics were beneficial among children and adults, as well as Asians and non-Asians. No significant difference was observed in efficacy between the various types of probiotics. The risk of diarrhea, nausea, vomiting, and epigastric pain was also reduced.

Conclusion

The addition of probiotics is associated with improved H. pylori eradication rates in both children and adults, as well as Asians and non-Asians. Lactobacillus, Bifidobacterium, Saccharomyces, and mixtures of probiotics appear beneficial in H. pylori eradication. Furthermore, the reduction in antibiotic-associated side effects such as nausea, vomiting, diarrhea, and epigastric pain improves medication tolerance and patient compliance. Given the consequences associated with chronic H. pylori infection, the addition of probiotics to the concurrent triple therapy regimen should be considered in all patients with H. pylori infection. However, further studies are required to identify the optimal probiotic species and dose.

Sequential (as Opposed to Simultaneous) Antibiotic Therapy Improves Helicobacter pylori Eradication in the Pediatric Population: A Meta-Analysis

Helicobacter pylori is a common infection associated with many gastrointestinal diseases. Triple or quadruple therapy is the current recommendation for H pylori eradication in children but is associated with success rates as low as 50%. Recent studies have demonstrated that a 10-day sequential therapy regimen, rather than simultaneous antibiotic administration, achieved eradication rates of nearly 95%. This meta-analysis found that sequential therapy increased eradication rates by 14.2% (relative risk [RR] = 1.142; 95% confidence interval [CI] = 1.082-1.207; P < .001). Ten-day sequential therapy significantly improved H pylori eradication rates compared to the 7-day standard therapy (RR = 1.182; 95% CI = 1.102-1.269; p < .001) and 10-day standard therapy (RR = 1.179; 95% CI = 1.074-1.295; P = .001), but had lower eradication rates compared to 14-day standard therapy (RR = 0.926; 95% CI = 0.811-1.059; P = .261). The use of sequential therapy is associated with increased H pylori eradication rates in children compared to standard therapy of equal or shorter duration.

Pediatric Chordomas: A Population-Based Clinical Outcome Study Involving 86 Patients from the Surveillance, Epidemiology, and End Result (SEER) Database (1973-2011)

BACKGROUND/AIMS

Primary chordomas, rare cancers arising from the notochord remnants, are extremely rare in the pediatric population. This study examined a large cohort of primary chordoma patients to determine factors impacting prognosis and survival.

METHODS

Demographic and clinical data on 1,358 primary chordoma patients (86 pediatric patients ≤19 years of age and 1,272 adult patients ≥20 years of age) were abstracted from the Surveillance, Epidemiology, and End Result (SEER) database (1973-2011).

RESULTS

Pediatric primary chordomas present most often as small tumors <4 cm in the cranium of male Caucasians. Despite the majority of primary chordomas presenting with locoregional involvement (90.4%), pediatric patients had more distant disease (14.8 vs. 9.2%, p < 0.05). Survival among pediatric patients having surgery only was significantly longer than for adults (22.5 vs. 14.3 years, p < 0.001). Overall survival was longer (17.2 vs. 12.6 years) and overall mortality was lower in pediatric patients (38.4 vs. 49.8%), but cancer-specific mortality was higher (37.2 vs. 28.6%, p < 0.005).

CONCLUSIONS

Pediatric primary chordomas present most often as small tumors <4 cm in the cranium of male Caucasians. Despite having a higher rate of metastasis, they have prolonged survival compared to adults. Surgical resection significantly improves survival in pediatric primary chordoma patients, and should be considered as first-line therapy in all eligible children.