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ABSTRACT: Pyrexia of unknown origin can be caused due to numerous infective and noninfective causes. It poses a diagnostic dilemma to the clinicians and requires a myriad of investigations for the confirmation of diagnosis. Thymomas are rare mediastinal tumors that present as anterior mediastinal mass; however, thymomas presenting as pyrexia of unknown origin has rarely been reported in the literature. We report an interesting case of a middle-aged male who presented as pyrexia of unknown origin due to thymoma.
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Febre de Causa Desconhecida , Timoma , Neoplasias do Timo , Humanos , Timoma/complicações , Timoma/diagnóstico , Timoma/patologia , Masculino , Febre de Causa Desconhecida/etiologia , Neoplasias do Timo/complicações , Neoplasias do Timo/diagnóstico , Neoplasias do Timo/patologia , Pessoa de Meia-Idade , Tomografia Computadorizada por Raios XRESUMO
Pulmonary alveolar proteinosis (PAP) is a rare disease which involves the accumulation of insoluble lipoproteinaceous material in the alveoli leading to impaired gas exchange and even respiratory failure. Autoimmune PAP is the most common type and is characterized by the presence of anti-granulocyte-monocyte colony stimulating factor (anti GM-CSF) antibody. Whole lung lavage has been traditionally used as first-line management of PAP but there is a lack of clarity especially in the treatment of relapsing cases of PAP. Rituximab is an anti Cluster of Differentiate 20 (CD 20) monoclonal antibody that has been tried as salvage therapy for relapsing cases of PAP. We present a case of 35 years old female patient who was diagnosed as a case of relapsing PAP who was managed initially with neoadjuvant rituximab. This is a retrospective observational report showing novel use of neoadjuvant rituximab in a difficult case of relapsing PAP.
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BACKGROUND: Intrapleural fibrinolytic therapy (IPFT) has been used as an effective agent since 1949 for managing complicated pleural effusion and empyema. Several agents, such as streptokinase, urokinase (UK), and recombinant tissue plasminogen activator (rt-PA), have been found to be effective with variable effectiveness. However, a head-tohead controlled trial comparing the efficacy of the most frequently used agents, i.e., UK and rt-PA (alteplase) for managing complicated pleural effusion has rarely been reported. METHODS: A total of 50 patients were randomized in two intervention groups, i.e., UK and rt-PA. The dose of rt-PA was 10 mg, and that of UK was 1.0 lac units. UK was given thrice daily for 2 days, followed by clamping to allow the retainment of drugs in the pleural space for 2 hours. rt-PA was instilled into the pleural space twice daily for 2 days, and intercostal drainage was clamped for 1 hour. RESULTS: A total of 50 patients were enrolled into the study, of which 84% (n=42) were males and 16% (n=8) were females. Among them, 30 (60%) patients received UK, and 20 (40%) patients received alteplase as IPFT agents. The percentage of mean± standard deviation changes in pleural opacity was -33.0%±9.9% in the UK group and -41.0%±14.9% in the alteplase group, respectively (p=0.014). Pain was the most common adverse side effect, occurring in 60% (n=18) of the patients in the UK group and in 40% (n=8) of the patients in the alteplase group (p=0.24), while fever was the second most common side effect. Patients who reported early (within 6 weeks of onset of symptoms) showed a greater response than those who reported late for the intervention. CONCLUSION: IPFT is a safe and effective option for managing complicated pleural effusion or empyema, and newer agents, such as alteplase, have greater efficacy and a similar adverse effect profile when compared with conventional agents, such as UK.
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SARS-COV2 pandemic has spread like wildfire and has affected all the countries worldwide. The virus mainly affects the lungs and has numerous manifestations. The development of spontaneous pneumatocele and pneumothorax has rarely been reported in the literature, especially in spontaneously breathing patients. We report two cases of COVID-19 patients who developed these complications after discharge from our hospital. These complications are uncommon but can be potentially fatal and the treating physician should keep these complications as differential while managing such cases.
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Shrinath V, Marwah V, Jyothis MC. Analgo-sedation in Patients on Non-invasive Mechanical Ventilation: Need for Guideline Recommendation. Indian J Crit Care Med 2024;28(3):309-310.
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Background: The fight against tuberculosis in our country has taken a new shape with the inclusion of rapid nucleic acid amplification tests like GeneXpert MTB/RIF assay which rapidly detects Mycobacterium tuberculosis and rifampicin resistance. Rifampicin resistance detected on GeneXpert has been considered as a sine qua non for the presence of isoniazid resistance and hence classified as multidrug-resistant tuberculosis (MDR-TB). However treatment of rifampicin-resistant, isoniazid-monoresistance, and MDR-TB are different. Our study was done with the aim of identification of the prevalence of isoniazid resistance on culture, in cases which had rifampicin resistance on GeneXpert. Methods: Pulmonary samples of patients of presumptive tuberculosis were subjected to GeneXpert testing and liquid MGIT (mycobacterium growth indicator tube) culture. On detection of rifampicin resistance on MTB/RIF assay, the patients were included in our study and cultures were followed-up for sensitivity to isoniazid. A total of 76 patients were included. Results: 76 patients of rifampicin resistance on GeneXpert MTB/RIF assay were followed-up for the sensitivity of isoniazid on culture media. Out of the 76 cases, 62 (81.57%) were found to have isoniazid resistance. Out of the 14 patients, the cultures showed no growth in 6, and in the rest, isoniazid was found to be sensitive. Conclusion: GeneXpert MTB/RIF assay is an excellent modality for the detection of M. tuberculosis and rifampicin resistance. The decision to exclude isoniazid from the treatment regimen in patients with rifampicin resistance should be made only after conducting further molecular/phenotypic tests.
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Background: The 2014 Asia Pacific - Asthma Insight and Management (AP-AIM) study showed that none of the Indian asthmatics had controlled asthma when evaluated objectively. Our study aims to detect through objective measurements, uncontrolled asthma in OPD patients, the adequacy of their inhaler technique, and their awareness regarding the importance of inhaler technique. Method: The asthma Control Test (ACT) score was used to screen for uncontrolled asthma. A validated objective questionnaire and scoring were used to objectively assess the correctness and awareness of the inhalation technique. Result: The study was carried out over 2 month period and 80 patients meeting the inclusion criteria were enrolled. Out of 80 patients; 47 (58.75%) had well-controlled asthma and 33 (41.25%) had uncontrolled asthma. 64 (80%) patients had good, and 16 (20%) had poor inhalation techniques. Among the 64 patients with good inhalation technique 43 (67.18%) had well-controlled asthma and 21 (32.82%) had uncontrolled asthma. Among the 16 patients with poor inhalation technique 4 (25%) had well-controlled asthma and 12 (75%) had uncontrolled asthma. There was a statistically significant association between asthma control and inhaler technique (P value 0.002). In the study population 56 (70%) patients were aware of the inhalation technique and 24 (30%) were unaware of the inhalation technique. Out of the 56 patients who were aware of the inhalation technique 53 (94.64%) had good inhaler technique and 3 (5.36%) had poor inhalation technique. Among the 24 patients who were unaware of the inhaler technique 11 (45.83%) had good inhaler technique and 13 (54.17%) had poor inhaler technique. There was a statistically significant association between awareness of inhaler technique and good inhaler technique (P value 0.001). Conclusion: There is a statistically significant association between asthma control and inhaler technique and between inhaler technique and inhaler awareness. Improving the awareness regarding inhaler technique among bronchial asthma patients is the way forward to improve asthma control in our country.
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A pulmonary nodule is a common radiological finding encountered in routine medical practice. It needs to be extensively evaluated as the differential diagnosis can range from sinister malignancies to fully treatable infectious causes. Here, we present a rare case of pulmonary paragonimiasis presenting as pulmonary nodule. This case report aims to sensitise the medical practitioner regarding pulmonary paragonimiasis which is completely treatable but carries a high risk of being under diagnosed.
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Background: Neutralizing antibodies cocktail (casirivimab and imdevimab) has received emergency use authorization recommendation by Food and Drug Administration (FDA) and WHO for mild-to-moderate COVID-19 infection in specific high-risk groups. Antibodies cocktail has shown promising results in preventing progression to severe disease, but the real-world experience is still evolving. Herein, we present a retrospective analysis of 22 patients who were administered the antibodies cocktail between August 2021 and March 2022 at our tertiary care center. Methods: We conducted an observational retrospective analysis of clinicoradiological, inflammatory parameters, progression of the disease, and outcome among 22 mild and moderate COVID-19 patients treated with antibodies cocktail. Results: The mean age was 67.7 years (SD ± 18.3) and comprised of 13 males (59%), while 9 were females (40.9%). Nine (40.9%) patients were fully vaccinated with two doses, nine (40.9%) were partially vaccinated with one dose while four patients (18.2%) were unvaccinated, and the rest were unvaccinated. Diabetes and hypertension were the commonest comorbidities; hematological and solid organ malignancies were other comorbidities. Eight patients had radiological opacities consistent with COVID-19 pneumonia and had shown significant regression in four patients after the therapy. None of our patients required supplemental oxygen or progressed to severe acute respiratory distress syndrome. All patients were discharged in a stable condition within 6 days of the therapy. Conclusions: The neutralizing antibodies cocktail has shown encouraging results in our analysis in preventing progression to severe disease in patients with high-risk conditions.
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Pulmonary sequestration also called as bronchopulmonary sequestration is a rare congenital anomaly. It is defined as a mass of dysplastic lung tissue which has no connection with the main bronchopulmonary tree and is supplied by a branch of systemic artery and drainage by the separate venous system. It can be classified into intralobar and extralobar variety, with intralobar being more common. Its incidence is around 1 per 8300 to 35000, and it constitutes about 0.15-6.4% of all congenital lung anomalies. It generally involves lower lobes with the left lobe being more common than the right. It is an uncommon entity and rarely reported in literature for lingula. Its distribution is equal in gender distribution except for extralobar variety which has a male preponderance. It generally presents with recurrent pneumonia and hemoptysis. Here, we describe a very rare case of intralobar lingular sequestration in a patient who presented with recurrent chest infections and was managed with segmentectomy.
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Tuberculosis is a leading cause of death in our country. Multidrug-resistant tuberculosis increases the morbidity and mortality due to severe manifestations and difficult and prolonged medications. Newer antitubercular drugs like delamanid have been approved by WHO in management of these cases, but the real-world experience of this drug is lacking in our country. We present our early experience of use of delamanid in extensively drug-resistant pulmonary tuberculosis.
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Background: The prevalence of allergic diseases such as asthma and allergic rhinitis is high in the general population, and aeroallergens are the most common allergens that cause airway inflammation. Skin prick testing (SPT) is a validated method to diagnose IgE-mediated allergic diseases. The knowledge of allergen sensitivity pattern in this part of India is limited. The present study was undertaken to identify common aeroallergens prevalent in this area using a standardized SPT. Methods: We did a cross-sectional hospital-based study. A total of 330 patients of proven allergic airway disease underwent SPT. We used a validated skin prick test which included 22 allergen extracts, 1 positive control, and 1 negative control. Results: A total of 327 patients were included in the study. Two hundred seventy-one (82.27%, n = 327) patients had a positive SPT to one or more aeroallergen extract. The sensitivity of Dermatophagoides pteronyssinus (49.85%) was seen in the maximum number of people followed by Dermatophagoides farinae (47.70%). Conclusions: In our study, dust mites were the most common aeroallergen seen in maximum study subjects.
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Background: Acute Pulmonary thromboembolism (PTE) is associated with acute hypoxemic respiratory failure (AHRF), which is a leading cause of death in these patients. High-Flow Nasal Cannula (HFNC) oxygen therapy is a cornerstone of the treatment of respiratory failure. The aim of the present study is to explore the efficacy of HFNC in the treatment of patients of acute PTE with acute hypoxemic respiratory failure in India. Methods: This is a retrospective study of patients admitted to a tertiary care center with acute PTE with AHRF during the period from January 2018 to January 2020. After reviewing medical files, patients of acute PTE with AHRF treated with HFNC were included in the study. We analyzed the improvement in oxygenation parameters and respiratory rate, as well as outcome in these patients. Results: During the above specified period, 12 patients suffering from PTE with AHRF were treated with HFNC. After 1 h of the initiation of HFNC along with anticoagulation, the respiratory parameters of patients significantly improved. HFNC was applied for a period of 6-10 days. None of the patients required intubation for AHRF, and all patients were discharged from the hospital on oral anticoagulants. Conclusion: HFNC oxygen therapy in patients with acute PTE with AHRF showed rapid improvement of oxygenation and respiratory rate. HFNC oxygen therapy is an efficacious treatment for patients with AHRF secondary to acute PTE without any significant hemodynamic effect. It acts as a superior modality of oxygen therapy avoiding noninvasive and invasive ventilatory support.
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Patients with chronic respiratory diseases, including chronic obstructive pulmonary disease (COPD), neuromuscular diseases, kyphoscoliosis and obstructive sleep apnoea-obesity hypoventilation syndrome (OSA-OHS), are at a higher risk of decompensation in the form of hypercapnic respiratory failure leading to intensive care unit (ICU) admission and increased mortality. This article reviews the evidence of role of domiciliary noninvasive ventilation (NIV) in patients with diseases with chronic ventilatory failure, including the mechanism of the effect of (NIV).
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INTRODUCTION: As millions of people worldwide recover from COVID-19, a substantial proportion continue to have persistent symptoms, pulmonary function abnormalities, and radiological findings suggestive of post-COVID interstitial lung disease (ILD). To date, there is limited scientific evidence on the management of post-COVID ILD, necessitating a consensus-based approach. AREAS COVERED: A panel of experts in pulmonology and thoracic radiology was constituted. Key questions regarding the management of post-COVID ILD were identified. A search was performed on PubMed and EMBASE and updated till 1 March 2022. The relevant literature regarding the epidemiology, pathophysiology, diagnosis and treatment of post-COVID ILD was summarized. Subsequently, suggestions regarding the management of these patients were framed, and a consensus was obtained using the Delphi approach. Those suggestions which were approved by over 80% of the panelists were accepted. The final document was approved by all panel members. EXPERT OPINION: Dedicated facilities should be established for the care of patients with post-COVID ILD. Symptom screening, pulmonary function testing, and thoracic imaging have a role in the diagnosis. The pharmacologic and non-pharmacologic options for the management of post-COVID ILD are discussed. Further research into the pathophysiology and management of post-COVID ILD will improve our understanding of this condition.
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COVID-19 , Doenças Pulmonares Intersticiais , Humanos , Técnica Delphi , COVID-19/complicações , Doenças Pulmonares Intersticiais/diagnóstico , Doenças Pulmonares Intersticiais/epidemiologia , Doenças Pulmonares Intersticiais/etiologia , Consenso , Pulmão/diagnóstico por imagemRESUMO
Background: The cumulative effect of cigarette smoking is usually measured by "pack years," but the same is not present for Bidis. This study was conducted to calculate the concept of "bidi years" in comparison to the concept of "pack-years" for a cigarette. Methods: Thirty random samples, each of bidis and cigarettes, were selected through a survey of common brands used by smokers in India. The nicotine and carbon monoxide (CO) contents were analyzed by high-pressure liquid chromatography and gas chromatography methods, respectively. Results: The average nicotine content in thirty samples of different Bidis and Cigarettes was 214.46 ± 57.8 and 616.31 ± 22.6 mg/dL, respectively (P < 0.001). The CO content with a lower mean of 15.57 ± 5.88 was observed in cigarettes as compared to 70.4 ± 22.08 in bidies (P < 0.001). The weight of one cigarette is 0.56 times that of the weight of one bidi. Based on the nicotine content, the equivalent pack years for bidis is calculated as 43 bidis per day per year. Conclusion: Based on the nicotine content, it is proposed that the equivalent for one cigarette pack-year or 20 cigarette years are taken as 43 bidis per day per year. Even though each bidi stick has an average of 0.46 times the nicotine content of cigarettes, longer abstinence as compared to cigarette is required to bring the nicotine level to normal due to the deeper puffs needed. With the CO content of bidis being 4.5 times that of cigarettes, it is advised that the minimum duration of cessation of smoking before operative procedures be 24 h as compared to 6 h for cigarettes.
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Subdural hematoma (SDH) is a common intracranial lesion seen in severe traumatic brain injury (TBI). The development of contralateral delayed extradural hematoma (EDH) after surgery is well described. But limited literature available about immediate contralateral EDH after subdural hematoma (SDH) evacuation. We report a case of a young adult who developed contralateral EDH following decompressive surgery for acute SDH.