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Association between emphysema and other pulmonary computed tomography patterns in primary varicella pneumonia: A retrospective cohort study. Medicine (Baltimore) 2024; 103:e38185. [PMID: 38758910 PMCID: PMC11098192 DOI: 10.1097/md.0000000000038185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Accepted: 04/18/2024] [Indexed: 05/19/2024] Open
Abstract
This study aims to evaluate chest computed tomography (CT) findings in hospital patients with primary varicella pneumonia (PVP). We retrospectively analyzed CT images of 77 PVP patients using 3D Slicer, an open-source software, to model lesions and lungs. This retrospective cohort study was approved by the Institutional Review Board (Ethical Committee, Renmin Hospital, Hubei University of Medicine, Shiyan, China) and waived the requirement for written informed consent. The left lung was more frequently and severely affected in PVP, with significant differences between the 2 groups in CT involvement percentage of each lung region, except for total lung inflation. Group A showed higher median percentages of lung collapse compared to Group B. The extent of left lung involvement is a critical predictor of emphysema in PVP patients, highlighting the importance of also monitoring the right lung for more severe cases. Lower emphysema levels correspond to more collapsed and infiltrated lung segments, suggesting a more severe clinical presentation.
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Could We Consider Ultrasound Guided Minimally Invasive Autopsy as a Part of POCUS? JOURNAL OF ULTRASOUND IN MEDICINE : OFFICIAL JOURNAL OF THE AMERICAN INSTITUTE OF ULTRASOUND IN MEDICINE 2023. [PMID: 36896883 DOI: 10.1002/jum.16210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Accepted: 02/09/2023] [Indexed: 06/18/2023]
Abstract
We present a 3-patient case series that support the use of ultrasound guided minimally invasive autopsy (MIA). This technique has a high diagnostic accuracy in specific clinical settings. It makes easier to diagnose pathologies once the patient has died, avoiding body deformation, with a notable reduction in sample processing time compared to the open autopsy study and, therefore, a shorter overall diagnostic response time. MIA shows some similarities with point of care ultrasound (POCUS), like examination protocols or that they can be performed at the bedside.
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Association between emphysema and other pulmonary computed tomography patterns in COVID-19 pneumonia. J Med Virol 2023; 95:e28293. [PMID: 36358023 PMCID: PMC9828029 DOI: 10.1002/jmv.28293] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 10/22/2022] [Accepted: 11/07/2022] [Indexed: 11/13/2022]
Abstract
To evaluate the chest computed tomography (CT) findings of patients with Corona Virus Disease 2019 (COVID-19) on admission to hospital. And then correlate CT pulmonary infiltrates involvement with the findings of emphysema. We analyzed the different infiltrates of COVID-19 pneumonia using emphysema as the grade of pneumonia. We applied open-source assisted software (3D Slicer) to model the lungs and lesions of 66 patients with COVID-19, which were retrospectively included. we divided the 66 COVID-19 patients into the following two groups: (A) 12 patients with less than 10% emphysema in the low-attenuation area less than -950 Hounsfield units (%LAA-950), (B) 54 patients with greater than or equal to 10% emphysema in %LAA-950. Imaging findings were assessed retrospectively by two authors and then pulmonary infiltrates and emphysema volumes were measured on CT using 3D Slicer software. Differences between pulmonary infiltrates, emphysema, Collapsed, affected of patients with CT findings were assessed by Kruskal-Wallis and Wilcoxon test, respectively. Statistical significance was set at p < 0.05. The left lung (A) affected left lung 20.00/affected right lung 18.50, (B) affected left lung 13.00/affected right lung 11.50 was most frequently involved region in COVID-19. In addition, collapsed left lung, (A) collapsed left lung 4.95/collapsed right lung 4.65, (B) collapsed left lung 3.65/collapsed right lung 3.15 was also more severe than the right one. There were significant differences between the Group A and Group B in terms of the percentage of CT involvement in each lung region (p < 0.05), except for the inflated affected total lung (p = 0.152). The median percentage of collapsed left lung in the Group A was 20.00 (14.00-30.00), right lung was 18.50 (13.00-30.25) and the total was 19.00 (13.00-30.00), while the median percentage of collapsed left lung in the Group B was 13.00 (10.00-14.75), right lung was 11.50 (10.00-15.00) and the total was 12.50 (10.00-15.00). The percentage of affected left lung is an independent predictor of emphysema in COVID-19 patients. We need to focus on the left lung of the patient as it is more affected. The people with lower levels of emphysema may have more collapsed segments. The more collapsed segments may lead to more serious clinical feature.
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Diagnostic and therapeutic approach to pulmonary infiltrates in cancer patients receiving immune checkpoint inhibitors. REVISTA ESPANOLA DE QUIMIOTERAPIA : PUBLICACION OFICIAL DE LA SOCIEDAD ESPANOLA DE QUIMIOTERAPIA 2022; 35 Suppl 3:67-73. [PMID: 36285862 PMCID: PMC9717448 DOI: 10.37201/req/s03.15.2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
The advent of immune checkpoint inhibitors (ICIs) targeting cytotoxic T lymphocyte antigen 4 (CTLA-4) and the programmed cell death (PD-1)/PD-1 ligand 1 (PD-L1) axis has transformed the treatment paradigm for multiple cancer types. ICIs are able to restore T-cell-mediated antitumor responses and do not entail an increased risk of infection per se. However, immunotherapy is associated to a unique form of toxicity due to the off-target effects on healthy tissues of the excessively enhanced immune response in form of immune-related adverse events (irAEs). Although ICI-induced pneumonitis ranks the fifth of all irAEs in terms of frequency of occurrence, it is associated with a relevant attributable mortality. This review summarizes the incidence, risk factors, clinical and radiological presentation, and therapeutic approach of ICI-induced pneumonitis. Particular focus is on the differential diagnosis of new or worsening pulmonary infiltrates in cancer patients receiving ICI therapy. Finally, the impact on the risk of opportunistic infection of ICIs and immunosuppressive therapy used to treat associated irAEs is reviewed. The diagnosis and management of suspected ICI-induced pneumonitis remains clinically challenging Current management of CMV infection in cancer patients (solid tumors). Epidemiology and therapeutic strategies.
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Acute lung injury with Amphotericin infusion in a patient with Invasive Mucormycosis. Infect Disord Drug Targets 2022:IDDT-EPUB-122688. [PMID: 35440337 DOI: 10.2174/1871526522666220419132741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 02/25/2022] [Accepted: 03/02/2022] [Indexed: 11/22/2022]
Abstract
BACKGROUND Amphotericin B is a pivotal drug for the management of invasive fungal infections. However, it has a significant toxicity profile with acute infusion reactions like fever, chills, vomiting, anaphylaxis, and nephrotoxicity in patients with long-term use. Pulmonary reactions mimicking acute pulmonary edema are unusual with amphotericin. CASE DESCRIPTION We report a case of a 51-year-old male diagnosed with rhinomaxillary mucormycosis, who developed acute onset breathlessness, bilateral diffuse pulmonary infiltrates after amphotericin infusion. The patient recovered spontaneously within a few hours after the cessation of amphotericin, which was parallel with the normalization of Chest X-ray. Furthermore, the Naranjo adverse reaction probability score was 9, which established a definite causal relation between drug use and adverse event. CONCLUSION Clinicians should be aware of acute lung injury in patients treated with amphotericin infusion. In cases with no alternative available, slow infusion of amphotericin with close monitoring is required to prevent life-threatening pulmonary reactions.
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Case Report: Diagnosis of Myelodysplastic Syndrome in a 72-Year-Old Female With Interstitial Lung Disease. Front Med (Lausanne) 2021; 8:673573. [PMID: 34434942 PMCID: PMC8380831 DOI: 10.3389/fmed.2021.673573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Accepted: 06/30/2021] [Indexed: 11/13/2022] Open
Abstract
Acute fibrinous and organizing pneumonia (AFOP) is an entity that can be secondary to various conditions leading to lung injury, such as infections, malignancies, and various autoimmune conditions or idiopathic interstitial lung disease, when no obvious underlying cause is identified. Myelodysplastic syndromes (MDS), on the other hand, are a spectrum of clonal myeloid disorders, with a higher risk of acute leukemia, characterized by ineffective bone marrow (BM) hematopoiesis and, thus, peripheral blood (PB) cytopenias. Immune deregulation is thought to take part in the pathophysiology of the disease, including abnormal T and/or B cell responses, innate immunity, and cytokine expression. In the literature, there are a few case reports of patients with MDS that have presented pulmonary infiltrates and were diagnosed as having AFOP or organizing pneumonia (OP). It is rare, though, to have isolated pulmonary infiltrates without Sweet's syndrome or even the pulmonary infiltrates to precede the diagnosis and treatment of MDS, which was our case. We present a 72-year-old female developing new lung infiltrates refractory to antibiotic treatment that responded well to corticosteroids and was histologically described as having OP. The treatment was gradually successfully switched to mycophenolate mofetil (MMF). The patient was later diagnosed with MDS. This interesting case report suggests firstly that a diagnosis of AFOP or OP should alert the clinician to search for an underlying cause including MDS and vice versa, the use of systemic steroids should not be postponed, and, finally, that MMF can successfully be used in these patients.
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Heiner Syndrome and Milk Hypersensitivity: An Updated Overview on the Current Evidence. Nutrients 2021; 13:nu13051710. [PMID: 34070007 PMCID: PMC8157832 DOI: 10.3390/nu13051710] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 05/14/2021] [Accepted: 05/17/2021] [Indexed: 01/21/2023] Open
Abstract
Infants affected by Heiner syndrome (HS) display chronic upper or lower respiratory tract infections, including otitis media or pneumonia. Clinically, gastrointestinal signs and symptoms, anemia, recurrent fever and failure to thrive can be also present. Chest X-rays can show patchy infiltrates miming pneumonia. Clinical manifestations usually disappear after a milk-free diet. The pathogenetic mechanism underlying HS remains unexplained, but the formation of immune complexes and the cell-mediated reaction have been proposed. Patients usually outgrow this hypersensitivity within a few years. The aim of this review is to provide an updated overview on the current evidence on HS in children, with a critical approach on the still undefined points of this interesting disease. Finally, we propose the first structured diagnostic approach for HS.
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Early diagnosis of idiopathic pulmonary hemosiderosis using gastric lavage. Pediatr Int 2019; 61:1278-1279. [PMID: 31814232 DOI: 10.1111/ped.14020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Revised: 04/14/2019] [Accepted: 05/23/2019] [Indexed: 12/11/2022]
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Tuberculosis Infection in a Patient Treated With Nivolumab for Non-small Cell Lung Cancer: Case Report and Literature Review. Front Oncol 2019; 9:659. [PMID: 31396484 PMCID: PMC6668214 DOI: 10.3389/fonc.2019.00659] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2019] [Accepted: 07/05/2019] [Indexed: 12/12/2022] Open
Abstract
Nivolumab (PD-1 inhibitor) and other immune checkpoint inhibitors are used primarily to promote reactivation of anti-tumor immunity. However, due to their generalized immunorestorative properties, these agents may also trigger an unusual spectrum of side-effects termed immune-related adverse events. In the case of the lung, pulmonary infiltrates in patients treated with the anti-PD-1 inhibitors, nivolumab, or pembrolizumab, especially patients with non-small cell lung cancer, can result from immune-related pneumonitis, which, until fairly recently was believed to be of non-infective origin. This, in turn, may result in progression and pseudo-progression of disease. An increasing body of evidence has, however, identified pulmonary tuberculosis as an additional type of anti-PD-1 therapy-associated, immune-related adverse event, seemingly as a consequence of excessive reactivation of immune responsiveness to latent Mycobacterium tuberculosis infection. The current case report describes a 56-year old Caucasian female who presented with microbiologically-confirmed tuberculosis infection while on nivolumab therapy for non-small cell lung cancer. Notably, the patient, seemingly the first described from the African Continent, had not received immunosuppressive therapy prior to the diagnosis of tuberculosis.
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Persistent focal pulmonary opacity elucidated by transbronchial cryobiopsy: a case for larger biopsies. Respirol Case Rep 2019; 7:e00410. [PMID: 30847221 PMCID: PMC6391639 DOI: 10.1002/rcr2.410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Revised: 01/31/2019] [Accepted: 02/05/2019] [Indexed: 11/09/2022] Open
Abstract
Persistent pulmonary opacities associated with respiratory symptoms that progress despite medical treatment present a diagnostic dilemma for pulmonologists. We describe the case of a 37-year-old woman presenting with progressive fatigue, shortness of breath, and weight loss over six months with a progressively worsening right basilar infiltrate on chest imaging in spite of antibacterial therapy. Transbronchial cryobiopsy was used to establish the diagnosis after a bronchoscopy with traditional forceps biopsies was non-diagnostic. This case demonstrates the value of cryobiopsy as a second-line strategy for pulmonary infiltrates when aetiology remains unclear after less invasive testing.
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Abstract
Heiner syndrome (HS) is a food hypersensitivity disease that is mostly caused by cow's milk. The main features may include chronic or recurrent respiratory syndromes, pulmonary infiltrates on radiography, and even pulmonary hemosiderosis. However, gastrointestinal symptoms are rare in HS, which can lead to a misdiagnosis when the chief complaint is about the gastrointestinal system. Here, we report a case of HS complicated by severe hematochezia.
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Utility of bronchoalveolar lavage in diagnosing respiratory tract infections in patients with hematological malignancies: are invasive diagnostics still needed? Ups J Med Sci 2017; 122:56-60. [PMID: 27739337 PMCID: PMC5361433 DOI: 10.1080/03009734.2016.1237595] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND Patients treated for hematological malignancies have an increased risk of serious infections. Diagnosis and prompt initiation of therapy are essential. Bronchoalveolar lavage (BAL) is a well-established investigation for identifying the cause of pulmonary infiltrates in immunocompromised patients. The aim of the study was to determine the diagnostic yield of BAL in patients treated for hematological malignancies and how often it contributed to a modification of the anti-infectious therapy. METHODS We reviewed records from 151 consecutive BAL procedures in 133 adult patients with hematological malignancies, treated at a tertiary hematology unit from 2004 to 2013. Extensive microbiological work-ups on BAL samples had been performed according to a standardized protocol. RESULTS A microbiological finding causing the infectious episode could be identified in 59 (39%) cases. In 44 (29%) of the cases, results from BAL had an impact on clinical management either by contributing to a specific diagnosis (25%) or by leading to cessation of ongoing microbiological therapy. The most common diagnoses were invasive pulmonary aspergillosis (IPA) and Pneumocystis jirovecii pneumonia (PJP). Diagnoses of IPA and PJP were based on results from BAL in 65% and 93% of cases, respectively. Several microbiological tests on BAL samples rendered no positive results. Complications were few and mainly mild. CONCLUSION BAL is still important for either verifying or excluding some of the most important respiratory tract pathogens in patients with hematological malignancies, particularly IPA and PJP. Standardized procedures for BAL sampling should be continually revised to exclude unnecessary microbiological tests.
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Abstract
A renal allograft recipient developed cough with hemoptysis on the 1st postoperative day. A chest X-ray was performed which was suggestive of fluid overload. His fluid was restricted and diuretics were added. On the same day, his pulmonary infiltrates worsened and a computed tomography (CT) of the chest was carried out, which was suggestive of the right lower lobe consolidation and left pleural effusion. He underwent a bronchoscopy and the lavage was sent for cultures, which did not grow any infective organism. Besides routine antibiotics, treatment for possible cytomegalovirus, fungal infections, and pneumocystis infection was instituted. Noninvasive ventilation was started on day 8. A repeat CT of the chest on the postoperative day 8 showed further worsening of the pulmonary infiltrates. As all the initial cultures and serology were negative, a possibility of interstitial pneumonitis was considered. Mycophenolate sodium was considered as a possible cause of the lung infiltrates and was withdrawn. The patient showed progressive improvement. His antibiotics were withdrawn. He was discharged on day 14. A repeat CT 4 weeks post transplant showed significant improvement in his pulmonary pathology. The acute lung injury was considered to be a drug reaction secondary to mycophenolate sodium. In a renal allograft recipient with persistent pulmonary infiltrates, interstitial involvement secondary to drugs should be considered if the patient does not improve with the standard treatment measures.
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Complications and Resource Utilization Associated With Mechanical Ventilation in a Medical Intensive Care Unit in 2013. J Intensive Care Med 2016; 32:146-150. [PMID: 26474803 DOI: 10.1177/0885066615612413] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
INTRODUCTION Evolving strategies for ventilator management could reduce the frequency of complications, but there is limited information about complications in contemporary intensive care units. METHODS We retrospectively collected information about patient demographics, chest x-ray abnormalities, complications, including pneumothoraces, ventilator-associated events, self-extubation, and resource utilization in 174 patients who required mechanical ventilation in 2013. RESULTS The mean age was 57.8 ± 16.8 years, the number of ventilator days was 7.5 ± 7, and the overall in-hospital mortality was 32.2%. The mean fluid balance per day during the mechanical ventilation period was 1539 ± 1721 mL. Three (1.7%) patients developed pneumothoraces, and 5 patients required chest tubes. Twenty-five (14.4%) patients had ventilator-associated events. Ten patients had episodes of self-extubation, and 11 had episodes of failed extubation. Chest X-rays showed new or increasing infiltrates in 113 (64.9%) patients and new or increasing pleural effusions in 29 (16.7%) patients. These patients had 1.2 ± 0.4 X-rays per day on the ventilator, and they had 10.0 ± 9.4 arterial blood gases and 0.7 ± 0.7 central lines. CONCLUSION The frequency of ventilator-associated complications was low in this study. However, these patients frequently developed increasing infiltrates, and these outcomes need attention during patient management and are a potential focus for future studies.
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Abstract
At present, a number of invasive diagnostic techniques can be used to diagnose the cause of lung infiltrates in patients with hematologic malignancies or hematopoietic stem cell transplantation recipients. Bronchoscopy with measurement of biomarkers in the bronchoalveolar lavage (BAL) will most likely become the preferred method to diagnose infectious causes of pulmonary infiltrates. However, there is no uniform approach regarding the technical parameters of the lavage procedure in cancer patients. Diagnostic protocols vary by region, center, and the expertise of the staff. This mini review discusses the issues surrounding diffuse pulmonary infiltrates and provides some recommendations to deal with these issues.
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Lemierre's Syndrome presenting with neurological and pulmonary symptoms: Case report and review of the literature. Ann Indian Acad Neurol 2013; 16:259-63. [PMID: 23956578 PMCID: PMC3724088 DOI: 10.4103/0972-2327.112489] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2012] [Revised: 01/26/2012] [Accepted: 02/19/2012] [Indexed: 11/22/2022] Open
Abstract
Lemierre’s Syndrome (LS) is a potentially life-threatening condition, characterized by clinical or radiologic evidence of internal jugular vein thrombosis following an oropharyngeal infection, most commonly by Fusobacterium necrophorum. A high index of suspicion and early recognition is important for successful management and to prevent systemic complications like multiorgan failure with extremely high morbidity, prolonged hospitalization and, not uncommonly, death. We are reporting a rare case of LS that was complicated with internal jugular vein and cavernous sinus thrombosis along with lung metastatic lesions, which was diagnosed and treated at our institute.
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Abstract
Choriocarcinoma is a gestational trophoblastic disease that carries high mortality. As this disease is highly responsive to chemotherapy, early diagnosis could lead to a favorable outcome. We report a case of metastatic pulmonary choriocarcinoma presented with hemoptysis and respiratory failure in a young woman at her third trimester. This report discusses the dilemma in deriving the diagnosis of choriocarcinoma and briefly outlines the current approaches to its treatment. Potentially life-threatening choriocarcinoma should be considered in all unusual chest radiographs of women of childbearing age. Clinicians should be aware of this possibility and proceed with the most appropriate diagnostic procedures.
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Retrospective review of two-port thoracoscopic (VATS) wedge bullectomy and lung wedge biopsy. Mcgill J Med 2009. [PMCID: PMC2687911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
Background: Video-assisted thoracoscopic surgery (VATS) involving wedge resection of bulla and lung biopsy can be done by two or three-port incisions. Controversy exists as to which approach is superior. We communicate our experience with two-port VATS for these procedures. Methods: We retrospectively analyzed the charts of all patients who underwent a VATS procedure by two-port incisions from July 2001 to July 2007 by two thoracic surgeons (S.C., S.C.) We included in the study all patients who underwent wedge resections for primary or secondary spontaneous pneumothorax and biopsies for pulmonary infiltrates and small nodules. Results: A total of 319 patients’ charts were examined, and 217 of whom had undergone two-port incisions fitted in the inclusion criteria. There were 136 (65.7%) males and 81 (37.3%) females with a mean age of 47 years. Pneumothorax was the main diagnosis for 98 (45%) patients, followed by pulmonary infiltrates for 69 (32%) patients and lung nodules for 50 (23%) patients. The mean operative time and the number of post-op days for chest tube removal and to discharge home in each group have also been recorded. There were few post-operative complications, such as 11 (5%) cases of persistent air leak, 11 (5%) cases of transient fever of unknown origin, 3 (1.4%) cases of pneumonia, 3 (1.4%) cases of bleeding within, one reoperated, and 1 (0.46%) case of C. difficile colitis. The 30-day mortality was 0%. Conclusion: The thoracoscopic (VATS) wedge biopsy via two-port incisions is a safe operation for patients presenting with pneumothorax or requiring a lung biopsy. A two-port approach seems to be a reasonable alternative to three-port incision procedures for these types of diagnosis, regarding post-operative pain and cosmetic benefits particularly for young patients.
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