A prospective study of airway reactivity before bone marrow transplantation

Michael Joseph Krowka, B. A. Staats, H. C. Hoagland

Research output: Contribution to journalArticle

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Abstract

The purposes of this study were to assess baseline airway function and to determine the frequency of airway reactivity in patients before bone marrow transplantation (BMT). The ratio of the forced expiratory volume at 1 second to the forced vital capacity (FEV1/FVC) was the measure of baseline airflow. Using methacholine challenge, we tested 53 patients before conditioning chemotherapy, total-body irradiation, and BMT. All patients had a baseline FEV1/FVC of 70% or more. The mean baseline FEV1/FVC was 84 ± 6%. The response to methacholine challenge was defined by the change in FEV1 from baseline (ΔFEV1). A positive response (ΔFEV1 of 20% or more) occurred in 11 of 53 patients (21%), a borderline response (ΔFEV1 of less than 20% but greater than or equal to 10%) was found in 10 (19%), and no response (ΔFEV1) of less than 10%) was elicited in 32 (60%). In our group of patients with a positive or borderline response to metacholine, we found no significant relationship to baseline FEV1/FVC, smoking history, hematologic diagnosis or study, or major post-BMT pulmonary complications including bronchiolitis obliterans. We concluded that pretransplantation airway reactivity, as measured by methacholine challenge and in the setting of normal baseline FEV1/FVC, was common before BMT. The presence of a borderline or positive response to methacholine challenge before transplantation was not associated with the development of either clinical or pathologically proven posttransplantation bronchiolitis obliterans.

Original languageEnglish (US)
Pages (from-to)5-12
Number of pages8
JournalMayo Clinic Proceedings
Volume65
Issue number1
StatePublished - 1990

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Vital Capacity
Forced Expiratory Volume
Bone Marrow Transplantation
Methacholine Chloride
Prospective Studies
Bronchiolitis Obliterans
Whole-Body Irradiation
Transplantation
Smoking
History
Drug Therapy
Lung

ASJC Scopus subject areas

  • Medicine(all)

Cite this

A prospective study of airway reactivity before bone marrow transplantation. / Krowka, Michael Joseph; Staats, B. A.; Hoagland, H. C.

In: Mayo Clinic Proceedings, Vol. 65, No. 1, 1990, p. 5-12.

Research output: Contribution to journalArticle

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