Beyond Coronary Artery Disease: Assessing the Microcirculation.

Ischemic heart disease (IHD) affects more than 20 million adults in the United States. Although classically attributed to atherosclerosis of the epicardial coronary arteries, nearly half of patients with stable angina and IHD who undergo invasive coronary angiography do not have obstructive epicardial coronary artery disease. Ischemia with nonobstructive coronary arteries is frequently caused by microvascular angina with underlying coronary microvascular dysfunction (CMD). Greater understanding the pathophysiology, diagnosis, and treatment of CMD holds promise to improve clinical outcomes of patients with ischemic heart disease.

Percutaneous Transluminal Angioplasty for Infrapopliteal Chronic Limb-Threatening Ischemia: A Systematic Review and Meta-analysis of Primary Patency and Binary Restenosis Rates.

PURPOSE: Percutaneous transluminal angioplasty (PTA) remains the mainstay of endovascular therapy for infrapopliteal chronic limb-threatening ischemia (CLTI), but outcomes have not been well characterized using high-quality data. The aim of this meta-analysis was to provide an updated benchmark for rates of primary patency and binary restenosis after PTA using prospectively collected, predominantly core-lab adjudicated randomized controlled trial (RCT) data. MATERIALS AND METHODS: MEDLINE, EMBASE, Cochrane Central, and ClinicalTrials.gov were queried for RCTs published through November 2022 using PTA as a control arm and including patients with infrapopliteal CLTI. Studies were excluded if >25% of patients had intermittent claudication, other vessels were included, or primary patency or binary restenosis were not outcomes. Outcomes were analyzed using random effects models. This analysis was publicly registered (PROSPERO ID#394543). No funding was utilized. RESULTS: Seventeen RCTs were included (1048 patients, 1279 lesions). Pooled primary patency rates using data from 6 RCTs were 68% at 6 months (95% confidence interval [CI]=45%-84%) and 66% at 12 months (95% CI=51%-79%). Pooled binary restenosis rates using data from 11 RCTs were 54% at 6 months (95% CI=33%-73%) and 60% at 9 to 12 months (95% CI=39%-78%). Significant heterogeneity was present in all outcomes (I2>50%, p<0.0001). Publication bias was not observed (Egger's p>0.1). CONCLUSIONS: This meta-analysis provides estimates for binary restenosis and primary patency following PTA utilizing prospectively collected, predominantly core-lab adjudicated data. Results demonstrate 1-year primary patency rates that are 10% to 20% higher than what has been historically used in power calculations. These new estimates will help facilitate more accurate power analysis for future RCTs. CLINICAL IMPACT: Rates of primary patency and binary restenosis after percutaneous transluminal angioplasty (PTA) have not been well-described using high-quality data, and investigators have been utilizing estimates of 40% to 50% and 45% to 65%, respectively, when performing power calculations for trials. This meta-analysis demonstrates using high-quality, prospectively collected, and predominantly core-lab adjudicated randomized controlled trial data that actual rates of primary patency are closer to 60% up to 1 year following PTA and provides the first meta-analysis estimate of binary restenosis rates up to 1 year after PTA. These estimates will help facilitate more accurate power calculations for future RCTs in this space.

Beyond Coronary Artery Disease: Assessing the Microcirculation.

Ischemic heart disease (IHD) affects more than 20 million adults in the United States. Although classically attributed to atherosclerosis of the epicardial coronary arteries, nearly half of patients with stable angina and IHD who undergo invasive coronary angiography do not have obstructive epicardial coronary artery disease. Ischemia with nonobstructive coronary arteries is frequently caused by microvascular angina with underlying coronary microvascular dysfunction (CMD). Greater understanding the pathophysiology, diagnosis, and treatment of CMD holds promise to improve clinical outcomes of patients with ischemic heart disease.

The misleading electrocardiogram - Midventricular Takotsubo masquerading as anterior wall STEMI.

Midventricular Takotsubo cardiomyopathy (TC) is a relatively rare variant of stress induced cardiomyopathy, wherein there is akinesis of only the mid-ventricular segment with or without hyperkinesis of apical and basal ventricular segments. The ECG findings of TC typically do not include ST segment elevation in V1-V2 and are unlikely to be associated with reciprocal changes in inferior leads. The presence of these changes argues strongly in favor of anterior wall STEMI. In our patient, the ECG had changes strongly suggestive of STEMI, however had normal coronaries on cardiac catheterization. This case highlights the importance of carefully analyzing the ECG in emergency situations for differences between TC and STEMI and when in doubt, cardiac catheterization should be pursued.

Profile of Patients Hospitalized through the Emergency Room to the Medicine Ward and their Short-term Outcome at a Tertiary Care Hospital in Delhi.

INTRODUCTION: With an increasing number of sicker patients, limited hospital beds, and an emphasis on day care, the profile of patients hospitalized to medicine wards has undergone a radical re-definition. The increasing share of patients hospitalized through the emergency department for acute care to medicine wards has left little space for hospitalization through the outpatient department (OPD). There are some global data available on the profile of patients presenting to the emergency rooms (ERs) and their subsequent outcome. Data from developing countries, especially India, in this regard are lacking. METHODS: This cross-sectional study included all patients hospitalized to the medicine ward through the medical emergency services, provided by the Department of Medicine, each Wednesday and every sixth Sunday for the entire year (a total of 62 days), from November 2010 through October 2011, and followed their outcome up to seven days after hospitalization. RESULTS: Of the 3,618 cases presenting to medicine emergency on these days, 1,547 (42.3%) were advised admission. Nine hundred sixty-seven reported to the medicine wards. One hundred eleven (7.73%) expired within 24 hours; others absconded, were lost in transit, did not consent to participation, or were discharged. During the next seven days, 452 (46.7%) recovered sufficiently and were discharged to go home. Two hundred thirty (23.8%) left the hospital without informing the medical staff. Fourteen (1.4%) patients were transferred to other departments. One hundred thirty-seven (8.8%) patients died during the next six days of hospitalization. After Multivariate Logistic Regression analysis, abnormal Glasgow Coma Scale (GCS) score, high systolic blood pressure (BP), age, increased total leucocyte count, increased globulin, low bicarbonate in arterial blood, low Mini Mental Status Examination (MMSE) score, and a raised urea >40 mg/dL were found to be associated significantly with mortality. CONCLUSION: Of the 1,547 patients who needed urgent hospitalization, 248 (16%) died within the first week, one-half of them within the first 24 hours. An advanced age, abnormal GCS score, low MMSE score, increased systolic BP, leukocytosis, acidosis, and uremia were found to be associated with a fatal outcome. Therefore, nearly one-half of the patients who would have a fatal short-term outcome were likely to do so within the first 24 hours, making the first day of presentation "the golden day" period.

An Unusual Presentation of Dengue Fever: Association with Longitudinal Extensive Transverse Myelitis.

Association of dengue fever with transverse myelitis in the form of extensive spinal cord involvement is a rare entity described in the literature. We describe a middle-aged man who presented with dengue fever and in whom weakness of the bilateral lower limbs and urinary incontinence developed on the third day of fever. Magnetic resonance imaging confirmed the diagnosis of longitudinally extensive transverse myelitis. Over a four-week course of corticosteroids with supportive management, the patient recovered without any residual neurologic deficit.

To ascertain the utility of urinary methyl malonic Acid as a potential marker of ischemic heart failure.

BACKGROUND: Methyl Malonic Acid (MMA) is known to be an integral component of the cascade of events in mitochondrial energy metabolism and since heart failure involves energy pathways, it is probable that levels of MMA could be used as a reliable biomarker to objectively identify the disease during the early stages and help in prognostication. MATERIALS AND METHODS: The present study was envisaged to evaluate the relation between urinary MMA levels in patients with Ischemic heart disease and in those progressing to failure. The relationship between the severity of the disease and the level of MMA in urine were also evaluated. Analysis of urinary MMA was done by Gas Chromatography-Mass Spectrometry (GC-MS) using stable isotope dilution. Twenty patients each with Ischemic Heart Disease, heart failure and controls were recruited in this pilot study. RESULTS: The mean value of MMA in patients with IHD was 126.71(±66.3) pmol/L and those with IHF was 390.76 (±97.99) pmol/L with the difference being statistically significant (p<0.001). Co-existing B12 deficiency was excluded as that was a potential confounder. CONCLUSION: Levels of MMA were significantly higher in patients with heart failure compared to those with IHF, which were significantly higher than controls. Evaluation of the correlation between MMA levels and the stage of the disease did not reach statistical significance; but this requires adequately powered studies to support this preliminary finding.

Doctors do cry.

Physicians have tried to understand whether crying for a patient is a raw emotion that demonstrates their lack of control over themselves and the situation, or whether it is a sign of humanity and concern for one's fellow beings. Studies on medical students and doctors'narrations of times when they have shed tears over a patient's suffering or death have established beyond doubt that medical students and physicians are not immune to their patients'suffering and may cry when overwhelmed by stress and emotions. Even though humanity is the cornerstone of medicine, depersonalisation has somehow crept into the physician-patient relationship and crying is considered incompatible with the image of a good physician, who is supposed to be strong, confident and fully in charge. Thus, crying has been equated to weakness and at times, incompetence. This could be attributed to the fact that our medical curriculum has ingrained in us the belief that emotion clouds rationality and prevents us from being objective while making decisions regarding a patient's clinical progress. Our curriculum fails to teach us how to handle emotional situations, witness the dying process, communicate bad news, interact with the bereaved during the period of grief immediately following death, and reduce the professional stress involved in working with newly bereaved persons. Our training focuses on cure, amelioration of disease and the restoration of good health, with little emphasis on death, which is an absolute reality. It is crucial that medical educators take note of these lacunae in the curriculum. Physicians and teachers must recognise and accept the emotions that medical students experience in these situations, and teach them to offer their patients a sound blend of rationality and compassion with an attitude of humility.

Role of neutrophil gelatinase-associated lipocalin for early detection of acute kidney injury.

Acute kidney injury (AKI) is characterized by abrupt or rapid decline of renal function and is usually associated with the development of serious complications as well as an independent risk of mortality in hospitalized patients. Emergency physicians play a critical role in recognizing early AKI, preventing iatrogenic injury, and reversing the course of AKI. Among the various available biomarkers for AKI, reliable and automated assay methods are commercially available for only cystatin-C and neutrophil gelatinase-associated lipocalin (NGAL). NGAL appears to be a promising marker for early detection of AKI and is likely to be adapted for wide-scale clinical use in patient management as a point-of-care test. Use of NGAL along with panel of other renal biomarkers can improve the rate of early detection of AKI. Large, multicenter studies demonstrate the association between biomarkers and hard end points such as need for renal replacement therapy (RRT), cardiovascular events, hospital stay, and death, independent of serum creatinine concentrations.

End-of-life care attitudes, values, and practices among health care workers.

INTRODUCTION: This study aims to ascertain attitudes of health care workers on end-of-life care (EOLC) issues and to highlight the disparity that exists in countries with different backgrounds. METHODS: It is a cross-sectional questionnaire survey across heterogeneous health care providers in India, Chile, the United Kingdom, and the Netherlands using an indigenously prepared questionnaire considering regional variations, covering different areas of EOLC. RESULTS: Of the 109 participants, 68 (62.4%) felt that cardiopulmonary resuscitation should be done selectively, 25 (22.9%) had come in contact with at least 1 patient who had asked them to hasten death, and 36 (33%) felt that training was insufficient to prepare them for skills in issues of EOLC. CONCLUSION: To avoid cumbersome through well-meant interventions, it is important that the caregiving team is aware of the patient's own wishes with respect to EOLC issues.

Why does an undergraduate student choose medicine as a career.

BACKGROUND: There are more than 44 000 seats in over 350 medical colleges in India for pursuing the MBBS course. This is not enough as we have only 1 doctor for as many as 1953 persons in India. Yet, medicine is not among the top vocations in most career advisories and the best school students do not aspire to be doctors. METHODS: This cross-sectional study was done at a tertiary care, teaching hospital in March 2010. Medical students in their second semester were asked to fill an indigenously designed, structured questionnaire, looking at their reasons for joining the course, interpersonal relationships, satisfaction with the curriculum and future prospects following graduation. RESULTS: The mean (SD) age of the students was 19.2 (0.85) years. Of the 100 students of second semester, 41 had been influenced by a family member in choosing their career. Twelve felt that medicine would give them a chance to serve the society. Forty-six students felt that the expectations they had from the course before joining were not being fulfilled. Nearly one-third of the students (31) stated that they would not choose medicine as a career if given another chance. Further, 19 said that they would still choose a different profession after completing their graduation. Non-fulfilment of expectations from the course was associated with the belief that they would not opt for this course if given a second chance (likelihood ratio 7.12, p=0.008). Students felt that teaching should lay stress on problem-based learning including workshops on stress and time management. CONCLUSION: We find that several students do not have a defined career plan and opt for a career in medicine because they are influenced by family members. Some students were dissatisfied with the curriculum and expressed that they would not like to pursue the course if given a second chance.