Pulmonary Infarction: In the Beginning.

MedStar author(s):
Citation: Chest. 152(6):1135-1139, 2017 DecPMID: 28716646Institution: MedStar Good Samaritan HospitalDepartment: Pulmonary MedicineForm of publication: Journal ArticleMedline article type(s): Journal ArticleSubject headings: *Balloon Occlusion/mt [Methods] | *Diagnostic Techniques, Respiratory System | *Pulmonary Infarction/et [Etiology] | Adult | Arteriovenous Malformations/co [Complications] | Arteriovenous Malformations/di [Diagnosis] | Diagnosis, Differential | Female | Follow-Up Studies | Humans | Male | Middle Aged | Pulmonary Artery/ab [Abnormalities] | Pulmonary Embolism/co [Complications] | Pulmonary Infarction/di [Diagnosis] | Radiography, Thoracic | Telangiectasia, Hereditary Hemorrhagic/co [Complications] | Time Factors | Young AdultYear: 2017Local holdings: Available online from MWHC library: 1935 - present, Available in print through MWHC library: 1999 - 2006ISSN:
  • 0012-3692
Name of journal: ChestAbstract: BACKGROUND: Massive pulmonary emboli can cause abrupt onset of symptoms simultaneous with large pulmonary artery occlusions. In contrast the temporal relationship between pulmonary vascular occlusion by smaller emboli and the development of pulmonary infarction symptoms is unknown. We describe the time interval between embolization and the onset of clinical symptoms and signs compatible with pulmonary infarction.CONCLUSION: The clinically silent time interval between embolization of a pulmonary artery and the onset of symptoms and signs compatible with lung infarction is 24 hours or greater. Copyright (c) 2017. Published by Elsevier Inc.METHODS: We examined the records of fifty six patients with Hereditary Hemorrhagic Telangiectasia (HHT) undergoing therapeutic balloon embolization of pulmonary arteriovenous malformations (PAVM's) in a single center after noting that some developed symptoms and signs compatible with pulmonary infarction. Because both the times of embolization and the onset of clinical symptoms were documented in medical records, we were able to calculate the time interval between embolic occlusions of vessels and the onset of symptoms.RESULTS: The records of 56 patients undergoing therapeutic embolization for HHT were examined. Five patients developed a single episode of pleuritic pain post embolization and one patient developed episodes of pleuritic pain after each of two separate embolization procedures. Four of these pleuritic pain events evolved into a complex compatible with a pulmonary infarction. The time intervals between embolization and the onset of pleuritic pain in those developing the infarction symptoms and signs were; 24 hours , 48+/-4 hours, 65 hours, and 67 hours.All authors: Buescher PC, Terry PBFiscal year: FY2018Digital Object Identifier: Date added to catalog: 2017-07-24
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Item type Current library Collection Call number Status Date due Barcode
Journal Article MedStar Authors Catalog Article 28716646 Available 28716646

Available online from MWHC library: 1935 - present, Available in print through MWHC library: 1999 - 2006

BACKGROUND: Massive pulmonary emboli can cause abrupt onset of symptoms simultaneous with large pulmonary artery occlusions. In contrast the temporal relationship between pulmonary vascular occlusion by smaller emboli and the development of pulmonary infarction symptoms is unknown. We describe the time interval between embolization and the onset of clinical symptoms and signs compatible with pulmonary infarction.

CONCLUSION: The clinically silent time interval between embolization of a pulmonary artery and the onset of symptoms and signs compatible with lung infarction is 24 hours or greater. Copyright (c) 2017. Published by Elsevier Inc.

METHODS: We examined the records of fifty six patients with Hereditary Hemorrhagic Telangiectasia (HHT) undergoing therapeutic balloon embolization of pulmonary arteriovenous malformations (PAVM's) in a single center after noting that some developed symptoms and signs compatible with pulmonary infarction. Because both the times of embolization and the onset of clinical symptoms were documented in medical records, we were able to calculate the time interval between embolic occlusions of vessels and the onset of symptoms.

RESULTS: The records of 56 patients undergoing therapeutic embolization for HHT were examined. Five patients developed a single episode of pleuritic pain post embolization and one patient developed episodes of pleuritic pain after each of two separate embolization procedures. Four of these pleuritic pain events evolved into a complex compatible with a pulmonary infarction. The time intervals between embolization and the onset of pleuritic pain in those developing the infarction symptoms and signs were; 24 hours , 48+/-4 hours, 65 hours, and 67 hours.

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