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Related Concept Videos

Respiratory Volumes and Capacities I01:26

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Assessing the respiratory rate and rhythm for a complete minute is crucial for evaluating the breathing pattern. Even a minor increase in the patient's average respiratory rate, by as little as three to five breaths per minute, is an early and vital indicator of respiratory distress. Patients with a respiratory rate exceeding twenty-four breaths per minute require close monitoring to determine the physiological alterations. This careful observation is essential for prompt recognition and...
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Physical assessment of the respiratory tract through inspection is a crucial step in understanding the patient's respiratory health. It provides insights into the functioning of the respiratory system, the musculoskeletal structure, and even the patient's nutritional status. This comprehensive approach involves observing several vital aspects: chest configuration, breathing patterns, respiratory rates, skin color, and use of accessory muscles.
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Maximum Phonation Time: Relationship Between Different Measurement Methods, Sex, and Body Mass Index.

Maria Fernanda de Queiroz Prado Bittencourt1, Marta Assumpção de Andrada E Silva1

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Summary

This study found no significant differences between methods for measuring maximum phonation time (MPT). However, men and overweight individuals exhibited higher MPT values compared to women and eutrophic individuals, respectively.

Keywords:
Body mass indexMaximum phonation timePhonationVoice

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Area of Science:

  • Speech-Language Pathology
  • Physiology
  • Anthropometry

Background:

  • Maximum phonation time (MPT) is a key measure in speech and voice assessment.
  • Understanding factors influencing MPT, such as sex and body mass index (BMI), is crucial for accurate interpretation.
  • Standardization of MPT measurement methods remains an area of interest.

Purpose of the Study:

  • To evaluate and compare different methods for measuring maximum phonation time (MPT).
  • To investigate the association between MPT and sex.
  • To determine the relationship between MPT and body mass index (BMI).

Main Methods:

  • The study involved 60 participants (30 men, 30 women) aged 18-45 years.
  • Four distinct methods were employed to measure MPT.
  • MPT values were compared across different measurement techniques, between sexes, and in relation to BMI categories (eutrophic vs. overweight).

Main Results:

  • No statistically significant differences were observed among the four MPT measurement methods.
  • Significant differences in MPT were found between male and female participants.
  • Overweight individuals demonstrated higher MPT values compared to eutrophic individuals.

Conclusions:

  • The choice of measurement method does not appear to impact MPT results.
  • Sex is a significant factor influencing MPT, with men exhibiting longer phonation times.
  • Body mass index is also associated with MPT, with overweight individuals showing increased phonation duration.