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1.
Respir Med ; 227: 107642, 2024 Jun.
Article in English | MEDLINE | ID: mdl-38670318

ABSTRACT

OBJECTIVE: To implement subjective methods for measuring the impact of chronic cough on patients' daily life, including an Italian version of the symptom-specific, health status measure for patients with chronic cough, i.e. the Leicester Cough Questionnaire (LCQ). METHODS: Sixty-five chronic cough patients attended a tertiary cough clinic on two separate occasions 8 weeks apart. The visual analogue scale for cough severity (VAS), the LCQ and the cough disturbance score (CDS) were administered on both occasions. The LCQ was adapted for Italian conditions following a forward-backward translation procedure. Concurrent validation, internal consistency, repeatability and responsiveness were determined. RESULTS: The CDS, VAS and LCQ were correlated (r coefficients ranging from 0.69 to 0.94, p < 0.01). The internal consistency for each LCQ domain was high (alpha coefficient range 0.87-0.93), as was the 8-week repeatability of the LCQ in the patients (n = 36, 60 %) who displayed no change in CDS and VAS (intra-class correlation coefficient = 0.86, p < 001) over the same period. Patients who reported an improvement in CDS and VAS after 8 weeks (n = 29) also demonstrated significant improvements in each LCQ domain. The mean difference in LCQ total score before and after improvements was 2.26 (95 % CI: 1.58-4.47). CONCLUSIONS: The Italian version of the LCQ appears to be just as valid as the other language versions of the questionnaire. In addition, the CDS appears to be a clinically useful, symptom-specific measure of the overall disturbance provoked by cough.


Subject(s)
Cough , Severity of Illness Index , Humans , Cough/diagnosis , Chronic Disease , Male , Female , Surveys and Questionnaires , Italy , Middle Aged , Aged , Adult , Reproducibility of Results , Quality of Life , Health Status , Chronic Cough
2.
Article in English | MEDLINE | ID: mdl-32897112

ABSTRACT

OBJECTIVE: In amyotrophic lateral sclerosis (ALS), early recognition of nocturnal hypoventilation (NH) is essential to start noninvasive ventilation (NIV), but nocturnal transcutaneous PCO2 (PtcCO2) is difficult to monitor. Usefulness of respiratory and muscular function test in the prediction of NH has been explored without distinguishing among ALS phenotypes. We evaluated cross-sectional relationships between functional tests and nocturnal PCO2, and the best predictors of NH, separately in patients with spinal and bulbar onset of ALS. Methods: ALS patients candidate to NIV were recruited. Diurnal respiratory and muscular function tests and nocturnal polysomnography with PtcCO2 monitoring were performed. NH was defined as peak PtcCO2 >49 mm Hg. Results: Thirty-six patients with spinal and 11 with bulbar onset ALS were included. Nocturnal oxygen saturation and PtcCO2, and proportion of subjects with NH were similar in each group (spinal: 50%; bulbar: 45.5%). Significant differences between groups were found in forced vital capacity (p = 0.03), maximal inspiratory pressure (p = 0.01) and sniff nasal inspiratory pressure (SNIP) (p = 0.007), but not in diurnal arterial blood gases. In the spinal group, SNIP and Base Excess (BE) independently predicted nocturnal PtcCO2 (R2 0.59, p < 0.0001). In the bulbar group only SNIP was correlated to PtcCO2, but it varied little in relationship to PtcCO2 changes. Conclusions: Respiratory and muscle function parameters are differently related to NH in ALS patients with spinal and bulbar presentation. SNIP and BE may be helpful to reveal NH in spinal patients, while in bulbar patients no respiratory or muscle function tests may reliably predict NH.


Subject(s)
Amyotrophic Lateral Sclerosis , Noninvasive Ventilation , Amyotrophic Lateral Sclerosis/complications , Amyotrophic Lateral Sclerosis/diagnosis , Humans , Hypoventilation/diagnosis , Hypoventilation/etiology , Maximal Respiratory Pressures
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