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Targeting microRNAs using nanotechnology in pulmonary diseases

Dua K, Chellappan DK, Singhvi G, de Jesus Andreoli Pinto T, Gupta G, Hansbro PM

Panminerva Med, 2018 Dec;60(4):230-231.
PMID: 30563304 DOI: 10.23736/S0031-0808.18.03459-6
Matched MeSH terms: Lung Diseases/genetics*; Lung Diseases/therapy*
Bariatric surgery in patients with interstitial lung disease

Ardila-Gatas J, Sharma G, Nor Hanipah Z, Tu C, Brethauer SA, Aminian A, et al.

Surg Endosc, 2019 06;33(6):1952-1958.
PMID: 30367295 DOI: 10.1007/s00464-018-6475-7

BACKGROUND: Perioperative pulmonary complications are frequent in patients with interstitial lung diseases (ILD). Limited literature exists regarding the safety of bariatric procedures in patients with ILD. This study aims to assess the safety, feasibility, and outcomes of patients with ILD who underwent bariatric surgery at our institution.
METHODS: After IRB approval, all patients with preoperative diagnosis of ILD who had bariatric surgery at an academic center between 2004 and 2014 were retrospectively reviewed.
RESULTS: A total of 25 patients with ILD underwent bariatric surgery: Roux-en-Y gastric bypass (n = 17, 68%), sleeve gastrectomy (n = 7, 28%), and adjustable gastric banding (n = 1, 4%). Twenty-one patients (84%) were females. The median age and preoperative body mass index (BMI) were 53 (IQR 42-58) years and 39 (IQR 37-44) kg/m2, respectively. The median operative time and length of stay was 137 (IQR 110-187) min and 3 (IQR 2-5) days, respectively. The 30-day complications were reported in four patients (16%) but there was no pulmonary complication or unplanned admission to the intensive care unit. At 1-year follow-up (85%), the median BMI and excess weight loss were 30 (IQR 25-36) kg/m2 and 67% (IQR 45-100), respectively. Compared to preoperative values, there was significant improvement in the pulmonary function test (PFT) variables at 1 year with respect to forced vital capacity (62% vs 74%; n = 13, p = 0.003), and diffusing capacity of the lungs for carbon monoxide (53% vs 66%; n = 10, p = 0.003). Six out of the seven potential lung transplant candidates became eligible for transplantation after weight loss, and one of them had successful lung transplant at 88 months after bariatric surgery.
CONCLUSION: In our experience, bariatric patients with ILD achieved significant weight loss and improvement in PFT. Bariatric surgery in these higher risk ILD patients appears relatively safe with acceptable perioperative morbidity and improved candidacy for lung transplantation.

Matched MeSH terms: Lung Diseases, Interstitial/epidemiology*; Lung Diseases, Interstitial/surgery
Pulmonary actinomycosis and skin sinuses

Lee JK

J Paediatr Child Health, 2007 Dec;43(12):854-5.
PMID: 18036023

A 12-year old girl presented with an unusual problem of recurrent discharging multiple skin sinuses on her right anterior and posterior chest wall for a year. There was ipsilateral lower lobe pneumonia and imaging showed multiple abscesses in her lower back muscles bilaterally. A purulent fluid was aspirated from her back muscles and the histology examination showed sulphur granules with gram positive branched filaments. She responded well to the treatment for actinomycosis with penicillin and doxycycline.

Matched MeSH terms: Lung Diseases/diagnosis*; Lung Diseases/drug therapy; Lung Diseases/radiography
Fulltext Histoplasmosis with Addisonian crisis: call for bird control

Hu AS, Hu AS, Hu CH

Med J Malaysia, 2015 Apr;70(2):104-5.
PMID: 26162388 MyJurnal

We report a case of disseminated histoplasmosis, initially diagnosed from gut nodule colonoscopically, along with evidence of lung disease. Subsequently he developed Addisonian crisis due to adrenal involvement. Lessons were learnt from the importance of detailed history-personal and social/family, as well as psychosocial aspects of illness. Public health measures to reduce bird dropping (and thus possibility of histoplasmosis) are discussed.

Matched MeSH terms: Lung Diseases
Actinomycosis of the vocal cord: a case report

Fernandez SH

Malays J Pathol, 1999 Dec;21(2):111-5.
PMID: 11068416

A 30-year-old Chinese lady was admitted for hoarseness of voice of one month's duration. Clinical examination revealed a granuloma of the left vocal cord while chest X-ray showed an opacity in the lower lobe of the right lung. The provisional clinical diagnosis was tuberculous laryngitis. A biopsy of the vocal cord lesion revealed inflamed tissue with actinomycotic colonies. Cultures and sputum smears did not reveal any tuberculous bacilli. The patient responded to a 6-week course of intravenous C-penicillin, regaining her voice on day 5 of commencement of antibiotics. A subsequent CT scan of the neck and thorax revealed multiple non-cavitating nodular lesions in both lung fields, felt to be indicative of resolving actinomycosis. She was discharged well after completion of treatment. It was felt that this is a case of primary actinomycosis of the vocal cord with probably secondary pulmonary actinomycosis.

Matched MeSH terms: Lung Diseases/drug therapy; Lung Diseases/microbiology; Lung Diseases/pathology
Tropical pulmonary diseases

Bovornkitti S

Respirology, 1996 Mar;1(1):11-21.
PMID: 9432400

The term 'tropical' refers to the region of the Earth lying between the Tropic of Cancer and the Tropic of Capricorn. Located between these equatorial parallels demarcating the Torrid Zone are several underdeveloped and developing countries: Thailand, the Philippines, Malaysia, Singapore, Indonesia, southern India, Sri Lanka, Brazil, Cuba, Ethiopia, Sudan and Nigeria, to name but a few considered to be 'tropical'. The climate in most of these countries is characterized by high temperatures and high humidity. The tropical climate and general state of socio-economic underdevelopment in such countries provide an ideal environment for pathogenic organisms, their vectors and intermediate hosts to flourish. Furthermore, the cultural habits and educational background of the people living in such countries expose them to pathogens and, when these people become infected, they readily become reservoirs for, or carriers of, those organisms. Ultimately, the adverse socioeconomic conditions of underdeveloped countries impede attempts to eradicate or control tropical diseases.

Matched MeSH terms: Lung Diseases, Parasitic
Fulltext Spontaneous pneumothorax and pneumomediastinum after a trivial injury: a case report

Ahmad Faizal Rakawi, Abdul Aziz Marwan, Ummi Nadira Daut

Malaysian Journal of Medicine and Health Sciences, 2020;16(108):84-86.
MyJurnal

Spontaneous pneumothorax and pneumomediastinum is defined as presence of free air or gas in the pleural cav- ity and mediastinal structures respectively. Spontaneous pneumothorax seems to be associated with anatomical abnormalities such as subpleural blebs or bullae, however not for spontaneous pneumomediastinum which may developed without an apparent precipitating cause. Both usually may occur in young healthy adults without serious underlying lung disease. We report a case of spontaneous pneumothorax and pneumomediastinum after a trivial injury. He was initially presented with dyspnea after two weeks of initial trivial trauma. Chest radiograph showed left apical pneumothorax with pneumomediastinum with no evidence of rib fracture. His condition was deemed non-traumatic by surgical colleague, thus admitted to medical ward for observation and eventually discharged well.

Matched MeSH terms: Lung Diseases
Fulltext Tuberous sclerosis with pulmonary lymphangioleiomyomatosis and renal angiomyolipomas

Hui Min Chong, Shien Yee Ng

International e-Journal of Science, Medicine & Education, 2014;8(2):30-34.
MyJurnal

The case report describes the presentation of a 19-year old female with tuberous sclerosis who presented with progressive dyspnoea over 2 days.
Chest radiograph revealed bilateral pneumothorax. Computed tomography showed features of pulmonary lymphangioleiomyomatosis and bilateral renal angiomyolipomas. The coexistence of both conditions may cause devastating morbidity and mortality.

Matched MeSH terms: Lung Diseases, Interstitial
Fulltext Rituximab-induced lung disease

Wan Zaidi WA, Wan Jamaludin WF, Tumian NR, Abdul Wahid F

Med J Malaysia, 2016 Aug;71(4):209-210.
PMID: 27770123 MyJurnal DOI: 10.1183/09031936.00080209

Pulmonary toxicity is a rare complication of Rituximab therapy. Although Rituximab is relatively safe and can be administered in an outpatient setting, Rituximab-associated lung disease has been reported and may cause mortality despite early detection. Typically the pulmonary toxicity occurs at around the fourth cycle of Rituximab. High index of suspicion is crucial and other concurrent pathology such as infective causes should be excluded. Radiological imaging and histological confirmation should be obtained and early treatment with corticosteroid should be initiated. Patients should receive counselling regarding respiratory symptoms and possible pulmonary toxicity.

Matched MeSH terms: Lung Diseases
Optimize Transfer Learning for Lung Diseases in Bronchoscopy Using a New Concept: Sequential Fine-Tuning

Tan T, Li Z, Liu H, Zanjani FG, Ouyang Q, Tang Y, et al.

IEEE J Transl Eng Health Med, 2018;6:1800808.
PMID: 30324036 DOI: 10.1109/JTEHM.2018.2865787

Bronchoscopy inspection, as a follow-up procedure next to the radiological imaging, plays a key role in the diagnosis and treatment design for lung disease patients. When performing bronchoscopy, doctors have to make a decision immediately whether to perform a biopsy. Because biopsies may cause uncontrollable and life-threatening bleeding of the lung tissue, thus doctors need to be selective with biopsies. In this paper, to help doctors to be more selective on biopsies and provide a second opinion on diagnosis, we propose a computer-aided diagnosis (CAD) system for lung diseases, including cancers and tuberculosis (TB). Based on transfer learning (TL), we propose a novel TL method on the top of DenseNet: sequential fine-tuning (SFT). Compared with traditional fine-tuning (FT) methods, our method achieves the best performance. In a data set of recruited 81 normal cases, 76 TB cases and 277 lung cancer cases, SFT provided an overall accuracy of 82% while other traditional TL methods achieved an accuracy from 70% to 74%. The detection accuracy of SFT for cancers, TB, and normal cases are 87%, 54%, and 91%, respectively. This indicates that the CAD system has the potential to improve lung disease diagnosis accuracy in bronchoscopy and it may be used to be more selective with biopsies.

Matched MeSH terms: Lung Diseases
Fulltext Breathlessness worsened by haemodialysis

Cader RA, Thoriappa K, Mohd R, Kong WY, Mustafar R, Kamaruzaman L

Respir Med Case Rep, 2019;26:6-8.
PMID: 30416956 DOI: 10.1016/j.rmcr.2018.10.022

A 54 year old lady with underlying chronic lung disease on long term oxygen therapy and end stage renal disease of unknown aetiology on regular haemodialysis for two years started developing progressive shortness of breath during her routine haemodialysis. She was unable to tolerate her haemodialysis sessions which had to be terminated prematurely in view of her symptoms despite adjustment of her dry weight and treatment of anaemia. She was not in chronic fluid overload and her symptoms always worsened after initiation of haemodialysis and improved after termination of haemodialysis. She was admitted to hospital for further investigations and initially treated for a lung infection but her symptoms did not improve. A computed tomography pulmonary angiography did not reveal any evidence of pulmonary embolism, and was consistent with chronic fibrotic changes. Her hypoxemia was concluded to be due to her underlying chronic lung disease, worsened by alveolar hypoventilation during haemodialysis. Her symptoms improved slightly with supplemental oxygen during her routine haemodialysis but we had to shorten her haemodialysis duration to 3 hours.

Matched MeSH terms: Lung Diseases
Fulltext Massive subcutaneous emphysema after a blunt neck injury

Mohamad, I., Md Shukri, N., Fauzi, M.H., Abdul Karim, A.H., Nik Hassan, N.F.H.

Malaysian Journal of Emergency Medicine, 2017;2(1):16-20.
MyJurnal

Subcutaneous emphysema can occur after a breach to the air-containing space. The classical condition will be ruptured alveolus in chronic lung disease. A disruption of the upper airway such as trauma to the laryngotracheal framework may lead to similar presentation. The amount of air leak varies depending on site and size of the breach. We report a case of blunt neck trauma after a fall from bicycle, which ended with massive subcutaneous emphysema, pneumothorax and pneumomediastinum requiring intubation.

Matched MeSH terms: Lung Diseases
Prophylactic nasal continuous positive airways pressure for preventing morbidity and mortality in very preterm infants

Subramaniam P, Henderson-Smart DJ, Davis PG

Cochrane Database Syst Rev, 2005 Jul 20.
PMID: 16034858

BACKGROUND: Cohort studies (Avery 1987; Jonsson 1997) have suggested that early post-natal nasal continuous positive airways pressure (CPAP) may be beneficial in reducing the need for intubation and intermittent positive pressure ventilation, and in preventing chronic lung disease in preterm or low birth weight infants.
OBJECTIVES: To determine if prophylactic nasal CPAP commenced soon after birth regardless of respiratory status in the very preterm or very low birth weight infant reduces the use of IPPV and the incidence of chronic lung disease (CLD) without adverse effects.
SEARCH STRATEGY: The search was updated in April 2005. The standard search strategy of the Neonatal Review Group was used. This included searches of the Oxford Database of Perinatal Trials, Cochrane Library Issue 1 2005, MEDLINE 1966-April 2005, previous reviews including cross references, abstracts, conferences, symposia, proceedings, expert informants, journal hand searching mainly in the English language.
SELECTION CRITERIA: All trials using random or quasi-random patient allocation of very preterm infants < 32 weeks gestation and / or < 1500 gms at birth were eligible. Comparison had to be between prophylactic nasal CPAP commencing soon after birth regardless of the respiratory status of the infant compared with "standard" methods of treatment where CPAP or IPPV is used for a defined respiratory condition.
DATA COLLECTION AND ANALYSIS: Standard methods of the Cochrane Collaboration and its Neonatal Review Group, including independent assessment of trial quality and extraction of data by each author, were used. Data were analysed using relative risk (RR). Meta-analysis was performed using a fixed effects model.
MAIN RESULTS: There are no statistically significant differences in any of the outcomes studied in either of the eligible trials (Han 1987; Sandri 2004) reporting on 82 and 230 infants respectively. In Han 1987 there are trends towards increases in the incidence of BPD at 28 days [RR 2.27 (0.77, 6.65)], death [RR 3.63 (0.42, 31.08)] and any IVH [RR 2.18 (0.84, 5.62)] in the CPAP group. In Sandri 2004 there is a trend towards an increase in IVH grade 3 or 4 [RR 3.0 (0.96, 28.42)] in the CPAP group. No outcome was significantly different in any of the meta-analyses.
AUTHORS' CONCLUSIONS: There is currently insufficient information to evaluate the effectiveness of prophylactic nasal CPAP in very preterm infants. Neither of the included studies reviewed showed evidence of benefit in reducing the use of IPPV. The tendency for some adverse outcomes to be increased is of concern and further multicentre randomized controlled trials are needed to clarify this.

Matched MeSH terms: Lung Diseases/prevention & control*
Fulltext Pulmonary disease empirically treated as tuberculosis-a retrospective study of 107 cases

Loh LC, Abdul Samah SZ, Zainudin A, Wong GLS, Gan WH, Yusuf WS, et al.

Med J Malaysia, 2005 Mar;60(1):62-70.
PMID: 16250282

Pulmonary disease is sometimes treated empirically as tuberculosis (TB) in the absence of microbial confirmation if the clinical suspicion of active TB is high. In a country of relatively high TB and low HIV burden, we retrospectively studied 107 patients (69.2% male; mean age (SD): 45 (17) years) who received empirical anti-TB treatment for intrapulmonary opacities or pleural effusions suspected of active TB in our hospitals between 1998 and 2002. The diagnosis of definite or probable 'smear-negative' pulmonary TB was made based on treatment outcome at two months with rifampicin, isoniazid, pyrazinamide and ethambutol (or streptomycin). At this end-point, 81 patients (84.4%) had both clinical and radiological improvement (definite cases), 12 (12.5%) had clinical improvement alone and 3 (3.1%) had radiological improvement alone (probable cases). Confirmation of acid-fast bacilli was subsequently obtained in 12 patients (all definite cases) from culture of initial pulmonary specimens. Eleven patients (10.5%) were diagnosed as 'non-TB' based on absence of both clinical and radiological improvement or discovery of another cause for the pulmonary condition at or before this two-month study end-point. In the 'non-TB' group, 2 had carcinoma, 2 had HIV-related pulmonary diseases, 1 had bronchiectasis, while in 6 causes were indeterminate. Six (6.3%) and 3 (27.3%) patients reported adverse effects from anti-TB drugs from the 'TB' and 'non-TB' groups respectively. Our findings suggest that empirical anti-TB treatment is an acceptable practice if clinical suspicion is high in patients coming in our region.

Matched MeSH terms: Lung Diseases/drug therapy*
Successful treatment of unresectable inflammatory pseudotumor of the lung with COX-2 inhibitor

Chan PW, Omar KZ, Ramanujam TM

Pediatr Pulmonol, 2003 Aug;36(2):167-9.
PMID: 12833497
Matched MeSH terms: Lung Diseases/drug therapy*
Fulltext Notification of occupational and work-related diseases and poisonings in Malaysia, 1997-1998

Sirajuddin H, Roslinah A, Rampal KG, Kuppusamy I, Rohna R, Aziz M, et al.

Med J Malaysia, 2001 Mar;56(1):25-31.
PMID: 11503292

In 1997, the Ministry of Health Malaysia introduced a surveillance programme for occupational and work-related diseases including poisonings for cases seen in government health facilities. Between June 1997 and November 1998, there were 36 cases of respiratory disease and 95 cases of poisoning by chemicals and pesticides notified while skin diseases were 108 cases. Respiratory diseases reported were predominantly occupational asthma (25%), pneumoconiosis (17%) and infections (39%). The commonest reported skin disease was contact dermatitis (87%). The commonest causes of occupational poisonings were paraquat (19%), organo-phosphates (16%), agro-chemicals excluding pesticides (15%) and gases (10%). The number of cases reported is still relatively few compared to data from other countries, suggesting that there is still considerable under reporting.

Matched MeSH terms: Lung Diseases/epidemiology
Fulltext Septicaemic pulmonary melioidosis with cutaneous pustules

Liam CK

Med J Malaysia, 1993 Jun;48(2):248-9.
PMID: 8350807
Matched MeSH terms: Lung Diseases/complications*
Fulltext Steroid therapy in obstructive airway diseases

Zainudin BMZ

Respirology, 1997 Mar;2(1):17-31.
PMID: 9424402 DOI: 10.1111/j.1440-1843.1997.tb00051.x

Asthma and chronic obstructive pulmonary disease (COPD) are two common illnesses that cause significant morbidity and mortality. Steroids are widely used in both conditions. They act through steroid or glucocorticoid receptors (GR) causing up or down regulation of protein synthesis resulting in an increase in lipocortin 1 and beta 2 adrenergic receptors, and decreased levels and activities of cytokines or cytokine receptors, which reduces the inflammatory process in the airways and decreases bronchial hyperreactivity. Consequently symptoms of airway obstruction are alleviated and lung function is improved. In asthma, steroids have been convincingly shown to be effective in the treatment of both acute exacerbations and chronic condition. In COPD, however, only a subset of patients seem to respond favourably to steroid therapy. Therapeutic trials are therefore recommended before committing to a long-term treatment in order to determine this subset of patients, as no markers of steroid responsiveness can be identified. The inhaled steroids currently available have a good safety profile with significant side effects occurring only occasionally. Such side effects are usually confined to the oropharynx, causing local irritation, candidiasis and dysphonia, which can be easily overcome. Biochemical abnormalities involving bone, adrenal, carbohydrate and lipid profiles have been noted with high doses of inhaled steroids; however, these have no significant clinical effects.

Matched MeSH terms: Lung Diseases, Obstructive/drug therapy*
Off-pump coronary artery bypass grafting in a high-risk dextrocardia patient: a case report

Abdullah F, Mazalan SL

Heart Surg Forum, 2004;7(3):E186-8.
PMID: 15262598

We present an interesting but high-risk case of an obese male patient aged 56 years with dextrocardia and a left diaphragmatic hernia. Anterior myocardial infarction was diagnosed in 1994, and the patient later presented with a history of unstable angina. The diagnosis for this chronic smoker was triple-vessel disease, impaired left ventricular function, chronic renal failure, chronic bronchitis, impaired lung function, pulmonary hypertension, hypertension, diabetes, and chronic active gastritis (EuroSCORE of 10). The patient underwent successful off-pump coronary artery bypass grafting with 3 saphenous vein grafts to the left anterior descending, obtuse marginal, and right posterior descending arteries. He was discharged home 8 days later.

Matched MeSH terms: Lung Diseases/complications*
Life-threatening complications of Henoch-Schönlein purpura: diffuse alveolar haemorrhage, venous thrombosis and bowel ischaemia

Dhaliwal KK, Lile NA, Tan CL, Lim CH

BMJ Case Rep, 2020 Sep 29;13(9).
PMID: 32994270 DOI: 10.1136/bcr-2020-235905

Henoch-Schönlein purpura (HSP) is a common systemic vasculitis occurring in children. Making a diagnosis of HSP is often straightforward, managing its complications can be difficult. Diffuse alveolar haemorrhage (DAH), bowel ischaemia and venous thrombosis are rare complications of this disorder. We present a case of a 15-year-old teenage girl presenting with typical purpuric rash of HSP, developed DAH, bowel ischaemia and venous thrombosis. She was successfully treated with pulse methylprednisolone, intravenous Ig and intravenous cyclophosphamide.

Matched MeSH terms: Lung Diseases/complications*

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