Dataset Information

Aspirin use is safe in patients undergoing transbronchial lung cryobiopsy.

ABSTRACT:

Background

Aspirin has been shown to be safe for patients undergoing certain diagnostic bronchoscopy procedures, such as transbronchial biopsies and endobronchial ultrasound (EBUS)-guided transbronchial needle aspiration. However, there are no studies documenting the safety of aspirin in patients undergoing trans-bronchial lung cryobiopsy (TBLC).

Objective

To determine whether aspirin increases the risk of bleeding during or following TBLC.

Methods

172 consecutive patients undergoing TBLC were included in this retrospective cohort study. Data on demographic characteristics, comorbidities etc. were collected. Bleeding severity was defined by the intervention needed to stop the bleeding: mild-cold saline injection, moderate-adrenalin/hexakarpon injection, or severe - Intensive Care Unit admission after bronchoscopy.

Results

Fifty-one patients (29.6 %) were under aspirin treatment at the time of TBLC. Overall, there was no significant difference between the aspirin and the control groups regarding the incidence of moderate-severe bleeding (41.2 % vs. 33.1 %, respectively, p.0.31). the Clopidogrel was found as a risk factor for increased bleeding when taken together with aspirin (Odds ratio = 9.8 (1.1-86), p = 0.013). When taken alone, clopidogrel was also found as a risk factor to increased bleeding, yet these results didn't reach significance due to low number of patients (fig. 1, N = 5, Odds ratio = 2.8 (0.46-17.35), p = 0.245). No difference was observed between the groups regarding additional post-procedural complications, including pneumothorax, hospitalizations, and mortality.

Conclusion

To the best of our knowledge, this is the first study examining bleeding risk of cryobiopsy under aspirin treatment. Based on our results, it seems safe to perform TBLC under aspirin treatment, except for patients who are concurrently treated with clopidogrel. Further research should be conducted to substantiate this conclusion.

SUBMITTER: Israeli-Shani L

PROVIDER: S-EPMC10709165 | biostudies-literature | 2023 Dec

REPOSITORIES: biostudies-literature

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Publications

Aspirin use is safe in patients undergoing transbronchial lung cryobiopsy.

Israeli-Shani Lilach L Dotan Avishag Tzur AT Guber Elad E Romem Ayal A Shitrit David D

Heliyon 20231121 12

<h4>Background</h4>Aspirin has been shown to be safe for patients undergoing certain diagnostic bronchoscopy procedures, such as transbronchial biopsies and endobronchial ultrasound (EBUS)-guided transbronchial needle aspiration. However, there are no studies documenting the safety of aspirin in patients undergoing <i>trans</i>-bronchial lung cryobiopsy (TBLC).<h4>Objective</h4>To determine whether aspirin increases the risk of bleeding during or following TBLC.<h4>Methods</h4>172 consecutive pa ...[more]

PMID: 38076036

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Project description:BackgroundThe diagnostic accuracy and safety of transbronchial lung cryobiopsy (TBLC) via a flexible bronchoscope under sedation compared with that of surgical lung biopsy (SLB) in the same patients is unknown.MethodsRetrospectively the data of fifty-two patients with interstitial lung diseases (median age: 63.5 years; 21 auto-antibody positive) who underwent TBLC followed by SLB (median time from TBLC to SLB: 57 days) was collected. The samples from TBLC and SLB were randomly labelled to mask the relationship between the two samples. Diagnosis was made independently by pathologists, radiologists, and pulmonary physicians in a stepwise manner, and a final diagnosis was made at multidisciplinary discussion (MDD). In each diagnostic step the specific diagnosis, the diagnostic confidence level, idiopathic pulmonary fibrosis (IPF) diagnostic guideline criteria, and treatment strategy were recorded.ResultsWithout clinical and radiological information, the agreement between the histological diagnoses by TBLC and SLB was 42.3% (kappa [κ] = 0.23, 95% confidence interval [CI]: 0.08-0.39). However, the agreement between the TBLC-MDD and SLB-MDD diagnoses and IPF/non-IPF diagnosis using the two biopsy methods was 65.4% (κ = 0.57, 95% CI: 0.42-0.73) and 90.4% (47/52), respectively. Out of 38 (73.1%) cases diagnosed with high or definite confidence at TBLC-MDD, 29 had concordant SLB-MDD diagnoses (agreement: 76.3%, κ = 0.71, 95% CI: 0.55-0.87), and the agreement for IPF/non-IPF diagnoses was 97.4% (37/38). By adding the pathological diagnosis, the inter-observer agreement of clinical diagnosis improved from κ = 0.22 to κ = 0.42 for TBLC and from κ = 0.27 to κ = 0.38 for SLB, and the prevalence of high or definite diagnostic confidence improved from 23.0% to 73.0% and from 17.3% to 73.0%, respectively. Of all 383 TBLC performed during the same period, pneumothorax occurred in 5.0% of cases, and no severe bleeding, acute exacerbation of interstitial lung disease, or fatal event was observed.ConclusionsTBLC via a flexible bronchoscope under deep sedation is safely performed, and the TBLC-MDD diagnosis with a high or definite confidence level is concordant with the SLB-MDD diagnosis in the same patients.

Project description:BackgroundBronchoscopic cryobiopsy is a new method of bronchoscopic tissue sampling in interstitial lung disease. In case of transbronchial biopsies, the resultant tissue samples are of high quality, and the lung parenchyma seen in the samples is adequate for a histological diagnosis in most cases. Bleeding after transbronchial biopsy is the most important procedure- associated complication and may be life threatening. This study addresses the risk of bleeding of transbronchial cryobiopsy.MethodsIn this prospective, randomized, controlled multicentre study 359 patients with interstitial lung disease requiring diagnostic bronchoscopic tissue sampling were included. Both conventional transbronchial forceps biopsy and transbronchial cryobiopsy were undertaken in each patient. The sequence of the procedures was randomized. Bleeding severity was evaluated semi-quantitatively as "no bleeding", "mild" (suction alone), "moderate" (additional intervention) or "severe" (prolonged monitoring necessary or fatal outcome), for each intervention.ResultsIn 359 patients atotal of 1160 cryobiopsies and 1302 forceps biopsies were performed. Bleeding was observed after forceps biopsy in 173 patients (48.2%) and after cryobiopsy in 261 patients (72.7%). Bleeding was significantly greater in the cryobiopsy group (cryobiopsy/forceps biopsy: no bleeding 27.3%/51.8%; mild 56.5%/44.0%; moderate 15.0%/4.2%; severe 1.2%/0%; p < 0.001). The rate of clinically relevant bleeding (moderate or severe) was higher after the cryobiopsy procedures compared to the forceps biopsies (16.2% vs. 4.2%, p < 0.05). No fatal bleeding complications occurred.ConclusionsCompared to transbronchial forceps biopsy, transbronchial cryobiopsy was associated with an increased risk of bleeding which is of clinical relevance. Therefore training and additional precautions for bleeding control should be considered.Trial registrationThe study was registered with clinicaltrials.gov ( NCT01894113 ).

Dataset Information

Aspirin use is safe in patients undergoing transbronchial lung cryobiopsy.

Background

Objective

Methods

Results

Conclusion

Publications

Aspirin use is safe in patients undergoing transbronchial lung cryobiopsy.

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