Understanding Bed Sores (Pressure Ulcers) and Their Treatment
What Are Bed Sores (Pressure Ulcers)?
Bed sores, also known as pressure ulcers, are wounds that develop on the body due to prolonged pressure on the skin and underlying tissues, often caused by lying in the same position on a bed for an extended period. These sores typically occur when the body is unable to move due to various underlying conditions, such as paralysis, trauma, fractures, or old age.
When Do People Get Bed Sores?
People who are admitted to the hospital for extended periods, especially in intensive care units (ICUs) or when on ventilators, are at a higher risk of developing bed sores. Hospitalized patients, in general, can develop pressure sores, with an estimated occurrence of 3-14% among hospitalized individuals. Any ailment that immobilizes a patient and requires prolonged bed rest or confinement to a wheelchair can make them prone to developing bed sores.
Where Do Bed Sores Develop?
The location of a bed sore depends on the position in which the patient is primarily confined:
Prolonged Seated Position: This can lead to ischial (seat bone) bed sores.
Prolonged Lying Down Position: May result in sacral (lower back) bed sores.
Prolonged Side Position: Can cause trochanteric (hip/side bone) bed sores.
In addition to these common locations, bed sores can also develop on the heel, elbow, malleolus, knee, scapula, and occiput (back of the head).
Why Do People Get Bed Sores?
Several factors contribute to the development of pressure ulcers, including:
Increased Skin Fragility: The skin of bed-bound patients becomes more fragile.
Poor Nutritional Status: Malnutrition or inadequate nutrition can hinder wound healing.
Lack of Position Change: Failure to frequently change the patient’s position, either at home by relatives or in the hospital by nursing staff, can exacerbate the problem.
Risk Factors for Bed Sores
Extrinsic Factors: These include external factors like pressure, shear, friction, and moisture. Proper management of these factors can prevent bed sores.
Intrinsic Factors: These relate to the patient’s internal health and their ability to heal. Conditions such as sepsis, incontinence, old age, diabetes, peripheral vascular disease, smoking history, and malnutrition can reduce the body’s ability to protect against external pressure and injury.
Categories of Bed Sores
Pressure ulcers are categorized based on the extent of damage:
Category I: Generalized redness over the pressure areas.
Category II: Partial loss of skin, similar to an injury from forceful rubbing. These categories can heal with proper wound care.
Category III and IV: Full-thickness loss of skin and muscle in category III, with exposed bones in category IV. These stages are more severe and require immediate and comprehensive medical attention.
Dr. Amit Agarwal’s Focus During Consultation
Dr. Amit Agarwal conducts a thorough evaluation to determine the patient’s primary ailment and the exact stage of the wound. If there is a neurological issue, a neurologist is consulted, and for diabetes management, a physician optimizes treatment. Nutritional status is optimized, with a target of keeping serum albumin levels above 2.8 g/dL. Any pus discharge is cultured and sent for sensitivity, and appropriate antibiotics are initiated. If there is suspicion of osteomyelitis (bone infection), digital X-rays of the affected area are performed. Surgical management is recommended for deep bed sores.
Goals of Management for Bed Sores
The goals of managing pressure sores are:
Prevention of complications due to existing sores.
Preventing the existing wound from worsening.
Preventing new sores in other locations.
Closing the wound.
Main Advice and Management for Patients with Bed Sores
Proper hygiene, keeping the affected area dry, early mobilization and frequent position changes are crucial for managing and preventing bed sores.
Offloading pressure, using air mattresses, optimizing nutrition, and medical and surgical management when necessary are essential components of overall care.
Treatment at Kayakriti
For Category I and II bed sores, patients may not require admission if other factors are well controlled. They are educated about wound management and may be sent home with oral antibiotics and specific dressings. For Category III and IV bed sores, patients need hospital admission, and surgical correction is planned according to the site of the body involved.
The three main areas that are commonly affected are sacral, ischial, and trochanteric pressure sores.
Treatment for Bed Sores – Categories I and II:
For Category I and II bed sores, patients are educated about wound management. If other comorbidities are under control, they may not require admission. They are provided with oral antibiotics and advised on specific wound dressings. Follow-up appointments are scheduled, with frequent visits in the initial weeks and less frequent visits after the wound has healed.
Treatment for Bed Sores – Categories III and IV:
For Category III and IV bed sores, patients definitely require admission to the hospital. Various investigations are conducted to assess the patient’s nutritional status and surgical fitness. This includes a pre-anesthetic checkup, and consultations with neurologists, cardiologists, and physicians to ensure the patient’s overall health is optimized.
Surgical correction is planned based on the patient’s vital stability and overall health. The three primary areas that are commonly affected are:
Sacral Pressure Sores: These are located in the lower back area.
Ischial Pressure Sores: These occur on the seat bones.
Trochanteric Pressure Sores: These develop on the hip or side bone areas.
Surgical Correction for Bed Sores
Surgical correction involves various stages:
In Category III and IV bed sores, a single-stage surgery is usually performed. This involves excising the wound entirely, removing infected tissues, and covering the defect with a flap in the same surgical session. Local flaps are often used, utilizing skin and soft tissue from the surrounding normal area, such as banner flaps, posterior thigh flaps, gluteus maximus muscle flaps with overlying skin, rotation flaps, V-Y advancement flaps, and more. Dr. Amit Agarwal is experienced in various flap techniques for pressure sore coverage.
For cases that require further debridement, have large defects, or involve patients too sick to undergo flap surgery in a single session, a two-stage surgery may be performed. In this approach, Negative Pressure Wound Therapy (VAC) is used after the first debridement. After a week, if the wound has improved and no active infection is present, a definitive flap coverage is planned for the second stage of surgery.
Recovery After Surgery for Bed Sores
Patients are nursed in specific positions to relieve pressure on the affected area. Air mattresses are used for additional pressure relief.
Proper hygiene, catheterization when necessary, and regular monitoring of the flap for any signs of infection or changes in color are part of post-surgery care.
Patients are kept on a soft diet for a few days to reduce the frequency of stools.
Dressings are performed every alternate day, and patients are usually kept in the hospital for at least one to two weeks.
Suction drains are removed once the amount of fluid collected is less than 10-15 ml in 24 hours.
Sutures are removed after two weeks.
After the flap has healed and the patient is stable, discharge is planned.
Care instructions are provided for home care, including the use of air mattresses, hygiene, and the importance of regular side-to-side turning. Follow-up appointments are scheduled for one-week post-discharge and then monthly for the next three months.
The primary focus is on optimizing overall health, including addressing the underlying medical conditions, nutritional status, and wound management to promote wound healing and prevent complications.
For any category of bed sore, it’s important to consult a healthcare professional, such as Dr. Amit Agarwal, for a thorough assessment and personalized treatment plan tailored to the specific condition and individual patient needs.
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