Tricuspid annular plane systolic excursion (TAPSE) is an echocardiographic parameter that serves as a prognostic indicator for the severity of chronic obstructive pulmonary disease (COPD) clinical course. This study, consisting of a systematic review and meta-analysis, evaluates the current literature to elucidate the relationship between TAPSE measurement in COPD patients versus control subjects to discern baseline evidence of right heart strain. Methods PubMed, Scopus, CINAHL, Web of Science, and Cochrane Library databases were searched from their beginnings through November 1, 2023, for eligible studies. Outcomes included the difference of TAPSE measurement and right ventricular (RV) wall thickness between COPD patients and control patients. The Newcastle-Ottawa Scale was applied to assess risk of bias, Q-statistics and I2 values were used to assess for heterogeneity, and Egger and Begg tests were used to assess publication bias. Results The search yielded 11 studies reporting TAPSE values involving 1,671 patients, 800 (47.9%) of which had COPD. The unadjusted mean TAPSE value for COPD patients was 18.9±4.0 mm, while the mean TAPSE value for control patients was 22.2±0.8 mm. The presence of COPD was significantly associated with decreased TAPSE values, with the meta-analysis reporting the mean difference in TAPSE value at –3.0 (95% confidence interval, –4.3 to –1.7; P=0.001) between COPD and control patients. Six studies reported the RV free wall thickness. The unadjusted mean RV free wall thickness for COPD patients was 4.9±1.2 mm, and for control patients was 3.4±0.7 mm. Conclusion This meta-analysis demonstrated statistically significant lower TAPSE values and thicker RV free wall among COPD patients as compared with control patients.

Extracorporeal membrane oxygenation (ECMO) has been increasingly employed in the emergency department for patients with a potentially reversible cause of cardiac arrest. We present the case of a young female patient with an in-hospital cardiac arrest who was found to have severe right heart strain on point-of-care ultrasound (POCUS), suggesting a massive pulmonary embolism. Rapid bedside diagnosis using ultrasound expedited bedside cannulation and initiation of ECMO as a bridge to surgical thrombectomy, and ultimately the patient survived with full neurologic function. With its ready availability and increasing acceptance by consultants, POCUS should be incorporated into cardiac arrest algorithms as the standard of care to rule in thrombotic and obstructive causes of cardiac arrest.

BACKGROUND:When critically ill patients require specialized treatment that exceeds the capability of the index hospitals,patients are frequently transferred to a tertiary or quaternary hospital for a higher level of care.Therefore,appropriate and effi cient care for patients during the process of transport between two hospitals(interfacility transfer)is an essential part of patient care.While medical adverse events may occur during the interfacility transfer process,there have not been evidence-based guidelines regarding the equipment or the practice for patient care during transport.METHODS:We conducted searches from the PubMed,Cumulative Index of Nursing and Allied Health(CINAHL),and Scopus databases up to June 2022.Two reviewers independently screened the titles and abstracts for eligibility.Studies that were not in the English language and did not involve critically ill patients were excluded.RESULTS:The search identified 75 articles,and we included 48 studies for our narrative review.Most studies were observational studies.CONCLUSION:The review provided the current evidence-based management of diverse disease states during the interfacility transfer process,such as proning positioning for respiratory failure,extracorporeal membrane oxygenation(ECMO),obstetric emergencies,and hypertensive emergencies(aortic dissection and spontaneous intracranial hemorrhage).

BACKGROUND: Volume resuscitation has only been demonstrated to be effective in approximately fifty percent of patients. The remaining patients do not respond to volume resuscitation and may even develop adverse outcomes (such as acute pulmonary edema necessitating endotracheal intubation). We believe that point-of-care ultrasound is an excellent modality by which to adequately predict which patients may benefit from volume resuscitation. DATA RESOURCES: We performed a search using PubMed, Scopus, and MEDLINE. The following search terms were used: fluid responsiveness, ultrasound, non-invasive, hemodynamic, fluid challenge, and passive leg raise. Preference was given to clinical trials and review articles that were most relevant to the topic of assessing a patient’s cardiovascular ability to respond to intravenous fluid administration using ultrasound. RESULTS: Point-of-care ultrasound can be easily employed to measure the diameter and collapsibility of various large vessels including the inferior vena cava, common carotid artery, subclavian vein, internal jugular vein, and femoral vein. Such parameters are closely related to dynamic measures of fluid responsiveness and can be used by providers to help guide fluid resuscitation in critically ill patients. CONCLUSION Ultrasound in combination with passive leg raise is a non-invasive, cost- and time-effective modality that can be employed to assess volume status and response to fluid resuscitation. Traditionally sonographic studies have focused on the evaluation of large veins such as the inferior vena cava, and internal jugular vein. A number of recently published studies also demonstrate the usefulness of evaluating large arteries to predict volume status.