Quick Overview
Scientists from CEU San Pablo University in Madrid studied real physiotherapy clinics. They collected 201 samples from 19 centres. They swabbed treatment tables, equipment, hands and air, then grew the bacteria on special plates.
Results were clear. Reusable sponge electrodes (the soft pads) carried the highest bacterial load. The difference was statistically strong (P < .01). Many species appeared, including common hospital pathogens. Ultrasound gel also showed contamination in several samples.
These measured findings strongly support replacing pads and gel regularly. Fresh materials simply stay cleaner.
The work was published in the respected journal Archives of Physical Medicine and Rehabilitation. University scientists used standard laboratory methods. Spain has a long scientific tradition.
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Pad used in everyday therapy settings are not as clean as most people think.
A careful study from Spain proved it.
Researchers from CEU San Pablo University in Madrid looked closely at real physiotherapy clinics. They collected samples from 19 centres. They checked treatment tables, equipment, hands, and the air.
The biggest problem sat on the sponge electrodes — the soft pads many therapists reuse. These pads held the highest number of bacteria. The difference was clear and statistically strong (P < .01).
Scientists found many types of microbes. Some were common skin bacteria. Others were known hospital pathogens. Staphylococcus, Acinetobacter, and certain gut-related bacteria all appeared.
Ultrasound gel also showed contamination in several samples. Even small amounts of bacteria can grow when moisture and warmth stay present.
The study was published in 2020 in the respected journal Archives of Physical Medicine and Rehabilitation. This journal belongs to the American Congress of Rehabilitation Medicine. The work came from university scientists with proper microbiology training. Spain has a long record of careful medical research.
The message is simple and useful. Replacing pads and gel regularly keeps surfaces cleaner. Fresh materials lower the chance of bacteria building up between patients. Clean equipment supports safer everyday practice.
This is not theory. It is measured evidence from real clinics. The numbers show why regular replacement is the brighter, cleaner choice.
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Research Summary
| Aspect | Detail |
|---|---|
| Full Title | Analysis of the Microbiota of the Physiotherapist’s Environment |
| Authors | Tomás Pérez-Fernández, Francisco Llinares-Pinel, Mayte Troya-Franco, Luis Fernández-Rosa |
| Research Institution | CEU San Pablo University, CEU Universities, Madrid, Spain (Physical Therapy and Microbiology Departments) |
| Journal | Archives of Physical Medicine and Rehabilitation |
| Publisher | Elsevier / American Congress of Rehabilitation Medicine |
| Publication Details | Volume 101, Issue 10, Pages 1789–1795, October 2020 |
| DOI | 10.1016/j.apmr.2020.06.006 |
| Study Design | Cross-sectional descriptive observational study |
| Setting & Sample Size | 19 physiotherapy and rehabilitation centres; 201 samples collected from a planned 247 |
| Sampling Method | Sterile swabs for surfaces and equipment, sterile syringe for ultrasound gel, air impactor (250 litres) for ambient air |
| Laboratory Analysis | Culture on blood agar, Baird-Parker, MacConkey, Mossel and King B media; identification via Gram stain, biochemical tests and Vitek automated systems |
| Main Finding | Reusable sponge electrodes (pads) were significantly more contaminated than all other sites tested |
| Statistical Result | Difference in contamination of sponge electrodes versus other equipment reached P < .01 |
| Key Microorganisms Detected | Staphylococcus epidermidis, Acinetobacter species, Enterobacteriaceae, Pseudomonas, Staphylococcus aureus and others |
| Study Conclusion | Everyday instruments, especially electrode sponges, can harbour pathogens linked to nosocomial infection; better cleaning and replacement protocols are needed |
| Original Study Link | https://pmc.ncbi.nlm.nih.gov/articles/PMC7331516/ |
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