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Subjective and objective physical limitations in high-functioning renal dialysis patients
Catherine Blake1, Yvonne M O'Meara
1UCD School of Physiotherapy, Mater Misericordiae Hospital, Eccles Street, Dublin 7, Ireland. c.blake@ucd.ie
Summary
Even high-functioning dialysis patients show subtle physical limitations. Objective tests reveal neuromuscular impairments, supporting early rehabilitation programs for improved patient outcomes.
Area of Science:
- Nephrology
- Physical Therapy
- Rehabilitation Medicine
Background:
- Subjective physical function measures are accepted in End-Stage Renal Disease (ESRD) patients.
- Objective performance tests offer valuable insights into patient status.
- This study investigates objective physical limitations in 'high-functioning' dialysis patients.
Purpose of the Study:
- Determine objective physical limitations in select dialysis patients.
- Assess relationships between objective and subjective physical function measures.
- Identify potential impairments in high-functioning ESRD individuals.
Main Methods:
- Recruited 12 dialysis patients (age 18-55, low comorbidity, high Short Form-36 Physical Function score).
- Compared patients with age/sex-matched sedentary controls.
- Measured vibration perception threshold, quadriceps muscle torque, balance, gait, and sit-to-stand performance.
Main Results:
- Dialysis patients showed significant deficits in subjective physical function scores.
- Objective measures revealed impairments in vibration perception, muscle torque, balance, gait speed, and sit-to-stand tests.
- Strong agreement was found between subjective scores and objective measures like isokinetic torque and balance.
Conclusions:
- Subtle but significant physical function deficits exist in high-functioning dialysis patients.
- Findings highlight underlying neuromuscular impairments.
- Supports early, targeted rehabilitation programs and validated objective/subjective testing panels.