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Interventional procedures for pain management and regenerative medicine – an expert interview with Dr Kovačević on behalf of Dr Hartmann

29.04.2024

Dr Tomislav Kovačević is a renowned specialist in interventional pain management and anesthesiology with an impressive academic and clinical career. His expertise in this field is the result of a thorough medical education in Croatia, as well as postgraduate studies in neuroscience at the Neurological Institute of McGill University in Montreal, Canada. There, he specialized in particular in neuropharmacology and the use of psychotropic drugs in the treatment of depression, which earned him the title of Dr. sc.

Following his training as a specialist in anesthesiology at renowned institutions such as Zagreb University Hospital and Charité Berlin, Dr Kovačević gained extensive clinical experience, particularly in pain management. Before joining “Spitäler Schaffhausen” in Switzerland, he worked at the renowned Berlin Pain Clinic. As a member of the Swiss Society for Pain Medicine and the Swiss Society for Interventional Pain Medicine (SPS and SSIPM), he is actively involved in the further development and application of state-of-the-art treatment methods.

Schmerzklinik Zürich AG, led by Dr Michael Hartmann, is renowned for its outstanding care, patient-centered approach and holistic methodology. As part of this multidisciplinary team, Dr Kovačević brings his expertise and passion for minimally invasive, pain-free procedures. The day clinic, which is equipped with seven beds, aims to improve the quality of life for patients with chronic pain by utilizing innovative technologies and procedures, thereby enabling it to dispense with long-term pharmacological pain management.

The acquisition of Schmerzklinik Zürich AG by the EPIONA Group in November 2023 promises exciting developments in the field of pain medicine. This partnership will not only strengthen the synergies between the two institutions but also enable further improvements in patient care and the introduction of innovative solutions. Dr Kovačević and his team of experts at EPIONA are tirelessly committed to providing sustainable, high-quality treatment for patients with chronic pain and continually strive for excellence in medical care.

The editorial team at Leading Medicine Guide spoke with Dr Tomislav Kovačević specifically about interventional procedures for pain conditions and regenerative medicine.

Dr. Kovačević

Interventional procedures for pain conditions and regenerative medicine represent a promising approach to alleviating pain and promoting the body’s natural healing process. In today’s medical landscape, these techniques are becoming increasingly important as they can offer a gentle alternative to conventional treatment methods. By combining minimally invasive procedures with regenerative therapies, these approaches aim not only to treat symptoms but also to address the underlying causes of pain.

The difference between interventional procedures for pain conditions and traditional pain management approaches.

“Interventional procedures differ from traditional pain management approaches in that they target the source of the pain directly. While traditional approaches often rely on the administration of medication such as painkillers or anti-inflammatory drugs (including antidepressants, anti-epileptics), interventional procedures aim to relieve pain through targeted interventions such as injections, nerve blocks or minimally invasive surgical procedures. These procedures can often take effect more quickly, have potentially fewer side effects and address the root cause, meaning they are of diagnostic as well as therapeutic importance,” explains Dr Kovačević at the start of our conversation. This can help minimize the risk of side effects, as lower doses of medication can be used and the effect is limited to the affected area.

Another advantage is that interventional procedures can often deliver immediate results. Many patients report immediate pain relief or an improvement in their symptoms following treatment. This can lead to a rapid improvement in quality of life and enable patients to resume their daily activities. Furthermore, interventional procedures can also help to reduce dependence on strong painkillers. By treating the cause of the pain directly, they can help patients become less reliant on pain-relieving medication. This can not only reduce the risk of medication dependence and misuse, but also minimize side effects and complications associated with the long-term use of painkillers.

Regenerative medicine and stem cell therapy offer promising approaches to the treatment of osteoarthritis, a degenerative joint disease often associated with pain, stiffness and loss of function. 

“Regenerative medicine (including PRP, ACP and autologous blood therapy) and stem cell therapy (including MSC and BMA) offer innovative approaches to the treatment of orthopedic conditions such as osteoarthritis and injuries to the musculoskeletal system. Regenerative medicine uses biological materials such as growth factors to promote the healing and regeneration of damaged tissue,” says Dr Kovačević.

One example of the application of these therapies in osteoarthritis is the treatment of the knee joint. In the treatment of knee osteoarthritis, the doctor can extract stem cells from the patient’s adipose tissue or bone marrow. These stem cells are injected into the affected knee joint; they have anti-inflammatory properties and can reduce inflammation in the joint. This can help to relieve pain and improve the symptoms of osteoarthritis. Another approach to treating osteoarthritis is the use of growth factors. Here, proteins can stimulate cell proliferation and tissue regeneration. They can be injected into the affected joint to promote the healing and regeneration of damaged tissue.

Clinical trials have shown promising results with the use of stem cells and growth factors to treat knee osteoarthritis. Patients showed an improvement in pain, increased mobility and a reduction in joint stiffness. These treatments therefore offer a promising alternative or complement to conventional therapies such as painkillers, physiotherapy or surgical procedures.

Interventional procedures and regenerative medicine can be used in combination to accelerate healing and alleviate pain in chronic pain conditions, particularly in musculoskeletal disorders such as osteoarthritis, herniated discs or sports injuries.

Interventional procedures such as injections of local anesthetics, corticosteroids or hyaluronic acid can help to relieve acute pain and reduce inflammation. They can also assist in diagnosing the causes of pain and are often part of a multimodal approach to pain management. Regenerative medicine, on the other hand, aims to promote the body’s natural healing processes and to repair or regenerate damaged tissue. These approaches can support the regeneration of cartilage, muscles, tendons or ligaments and help to restore the function of the affected tissue. Dr Kovačević explains: “The combination of interventional procedures and regenerative medicine can have synergistic effects to accelerate healing and relieve pain more effectively in chronic pain conditions. For example, interventional procedures such as injections for pain relief can be combined with regenerative techniques such as ACP to promote the repair of damaged tissue.”

Selecting the most appropriate intervention for a patient with pain conditions or orthopedic disorders.

“Selecting the most appropriate treatments for a patient depends on various factors, including the cause of the pain or orthopedic condition, the severity of symptoms, the patient’s individual medical history and personal preferences. A doctor will carry out a thorough assessment and develop an individual treatment strategy based on the patient’s specific needs,” explains Dr Kovačević

Injections of local anesthetics and corticosteroids are frequently used to treat inflammatory conditions such as arthritis or herniated discs. They can reduce inflammation and relieve acute pain by blocking nerve transmission or inhibiting the inflammatory response. Hyaluronic acid injections are often used in patients with osteoarthritis, particularly in joints such as the knee, hip or shoulder. Hyaluronic acid is a natural component of synovial fluid and can improve joint lubrication and facilitate joint mobility. Nerve blocks can be used for certain pain conditions, such as nerve compression syndromes or neuropathic pain, to block pain signals and relieve pain. Radiofrequency ablation aims to interrupt pain signals through the targeted thermal destruction of nerve fibers. It is frequently used in patients with chronic back pain or joint pain when other conservative treatments have failed. Acupuncture can be effective for a wide range of pain conditions, including musculoskeletal pain and neuropathic pain. By stimulating specific acupuncture points, pain can be alleviated and the body’s own healing processes supported.

In recent years, significant advances in regenerative medicine have expanded the potential for treating musculoskeletal problems in innovative ways. 

“In recent years, there have been significant advances in regenerative medicine, particularly regarding the development of new therapies and technologies for tissue engineering, the production of biomaterials and the improvement of stem cell therapy. These advances open up new possibilities for the treatment of musculoskeletal problems and could help to improve the effectiveness and sustainability of treatments,” reports Dr Kovačević. Furthermore, biological stimulators such as growth factors and cytokines play a crucial role. They can stimulate cell proliferation and tissue regeneration and are often used in combination with other regenerative therapies. Another important advance is tissue engineering, which enables the production of artificial tissues and organs in the laboratory. These can be used to replace or repair damaged tissue and have the potential to revolutionise treatment options for patients with musculoskeletal problems.

In addition, advances in imaging technology have improved the diagnosis and monitoring of musculoskeletal problems. State-of-the-art technologies such as MRI and ultrasound enable more precise diagnosis and treatment planning, which can ultimately lead to better outcomes for patients. 

Clinical trials and research.

Dr Kovačević comments: “Clinical trials and research play a crucial role in the further development of interventional procedures and regenerative medicine. Through carefully conducted studies, new treatment approaches can be evaluated, improved and optimized to ensure their safety and efficacy. In the future, we can expect promising developments in areas such as personalized medicine, improved imaging techniques and novel therapies for targeted tissue regeneration.”

Nanotechnology and biomaterials research play a central role in regenerative medicine, as they open up new avenues for the treatment of tissue damage and diseases. By utilizing nanoparticles and tailor-made biomaterials, researchers can specifically intervene in the tissue regeneration process. One important area is the development of nanoscale biomaterials that can possess specific properties to promote tissue regeneration. By integrating nanoparticles into biomaterials, their mechanical, chemical and biological properties can be enhanced to achieve better compatibility with the surrounding tissue. Another approach is the targeted delivery of drugs or growth factors using nanoparticles. These can be engineered to transport drugs precisely to the site in the body where they are needed to promote regeneration. Furthermore, nanotechnology-based imaging techniques enable precise visualization of tissues and cells at the cellular and molecular level, which is crucial for diagnosing tissue damage and monitoring the regeneration process.

3D printing of tissues and organs makes it possible to produce customized tissue replacements and organs. This technology has the potential to replace defective or damaged tissues and promote regeneration. Advances in nanotechnology and biomaterials research could certainly lead to new possibilities for tissue regeneration. In the future, we can therefore expect an increasing number of clinical trials and research projects aimed at further improving the efficacy, safety and efficiency of interventional procedures and regenerative medicine. These research efforts could lead to new therapies and treatment options that have the potential to improve the lives of millions of people worldwide.

Dear Dr Kovačević, thank you very much for your insights into interventional pain management!