Low-frequency pulsed electrical stimulation therapy
Apr 20, 2022
Source: Cainiu Health
Dr. Lin Yunfei
Introduction
Low-frequency pulsed electrotherapy is a treatment method that utilizes pulsed electrical current with a frequency below 1,000 Hz. Its characteristics include low voltage, low frequency, negligible electrolytic effect, strong stimulation of sensory and motor nerves, effective pain relief, and absence of thermal sensation. This therapy can excite neuromuscular tissues and promote local blood circulation.
Low-frequency pulsed electrical therapy is a relatively uncommon treatment modality, and most patients are not particularly familiar with it. What exactly is low-frequency pulsed electrical therapy?
Principles of Low-Frequency Pulsed Electrical Therapy
Low-frequency pulsed electrical therapy is a treatment method that utilizes pulsed electrical currents with frequencies below 1,000 Hz. Its distinguishing features include low voltage, low frequency, absence of significant electrolytic effects, strong stimulation of sensory and motor nerves, effective pain relief, and no thermal effect (i.e., no tissue heating). This therapy can excite nerve and muscle tissues, promote local blood circulation, and exert analgesic effects.
Based on these therapeutic mechanisms, low-frequency pulsed electrical therapy is primarily indicated for patients with hemiplegia secondary to cerebrovascular disease or those suffering from low back and leg pain. It may also be used in the management of gynecological conditions such as pelvic inflammatory disease. In neurology departments, it is suitable for patients with sleep disorders to help improve sleep quality. Contraindications for low-frequency pulsed electrical therapy devices typically include cardiac disease, intracerebral hemorrhage, severe systemic inflammation, and active skin eczema. Generally, hypersensitivity or allergy to electrical current constitutes an absolute contraindication.
Therefore, prior to initiating low-frequency pulsed electrical therapy, individuals must undergo a thorough physical examination to ensure safety during treatment. It is advisable to consult a physician at a reputable hospital beforehand to determine suitability for this therapy—this approach enhances safety. During recovery, adequate rest is essential, and dietary recommendations include light, easily digestible meals rich in vitamins, especially fresh vegetables and fruits, which support disease recovery. We hope this information proves helpful to you!
