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Inside your body, blood flows through tiny tubes called blood vessels. Sometimes, these tubes get all twisted and messy in one spot — that’s called an AVM, or Arteriovenous Malformation. It can cause problems, such as headaches or even bleeding, if not treated.
To fix it, doctors use a special method called Endovascular Embolisation. This method repairs the AVM from within the body, eliminating the need for large incisions.
First, the doctor helps you fall asleep so you won’t feel anything. Then, they gently slide a soft, thin tube into a blood vessel, usually in your leg. Using pictures on a screen, they guide the tube to the location of the AVM.
When the tube is in the correct position, the doctor inserts a small amount of special material, such as glue or soft plugs, to block the twisted vessels. This prevents blood from flowing in the wrong direction and helps prevent further complications. Once the AVM is blocked off, the doctor slowly removes the tube, and you rest in the hospital to recover.
This way, your blood flows more efficiently, and the risk of serious issues, such as bleeding, decreases.
Endovascular surgery for AVM is performed to reduce or eliminate abnormal blood flow between arteries and veins in the brain or spinal cord.AVMs can cause bleeding (hemorrhage), seizures, neurological deficits, or chronic headaches.This minimally invasive approach blocks the AVM from within the blood vessels, reducing rupture risk and stabilizing symptoms.
Consult a neurologist or neurosurgeon if you experience sudden severe headaches, seizures, blurred vision, weakness, or numbness, which may indicate a cerebral AVM.Even asymptomatic AVMs discovered incidentally on imaging (MRI/CT) may require evaluation.If the AVM poses a high risk of bleeding or grows, intervention is usually recommended.
Diagnosis is confirmed with cerebral angiography, MRI, or CT scan to map the AVM's size, location, and blood supply.Patients undergo blood tests, cardiac clearance, and must avoid blood thinners before the procedure.A detailed preoperative plan is created to decide whether endovascular embolization will be standalone or followed by surgery/radiosurgery.
Performed under general anesthesia, a catheter is inserted through the femoral artery (groin) and guided up to the brain vessels.Liquid embolic agents (e.g., Onyx, NBCA) or coils are injected into the AVM’s feeding arteries to block abnormal blood flow.The procedure may be done in one or multiple stages depending on AVM complexity and location.
Endovascular embolization typically takes 2 to 4 hours.Hospital stay is 1 to 3 days, depending on the patient’s condition and whether further treatment (surgery or radiosurgery) is needed.Recovery is usually rapid with minimal pain.
- Stroke or transient ischemic attack (due to clot or vessel spasm)
- Vessel perforation or bleeding
- Headache, nausea, or temporary neurological symptoms
- AVM recurrence or incomplete obliteration
- Allergic reaction to contrast dye (rare)
- Minimally invasive and performed through a small catheter — no large incision
- Reduces AVM size or bleeding risk prior to surgery or stereotactic radiosurgery
- Can relieve symptoms like headaches or seizures
- Suitable for deep-seated or surgically inaccessible AVMs
- Often used as part of a multimodal AVM treatment plan
Patients are observed in ICU for 12–24 hours post-procedure for neurological monitoring.Most return to normal activities within 3–7 days, barring complications.Follow-up imaging (MRI or angiography) is done to assess AVM closure and plan further treatment if needed.
The success rate of partial or complete embolization of AVMs ranges from 70–90%, depending on size and vascular structure.When combined with radiosurgery or open surgery, cure rates exceed 90% in many cases.Recurrence is rare if the AVM is fully obliterated, and long-term outcomes are excellent with proper follow-up.
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Rajagiri Hospital
Kochi, India
- Rajagiri Hospital, Kochi, Kerala, is a leading multi-speciality tertiary care hospital known for providing world-class medical services with advanced technology and compassionate care.
- Accredited by JCI, NABH, and NABL, the hospital offers comprehensive treatment across specialities like Cardiology, Oncology, Neurology, Gastroenterology, Orthopaedics, Nephrology, Urology, and Paediatrics, making it a trusted healthcare destination in South India.
Bukit Tinggi Medical Centre
Kuala Lumpur, Malaysia
As a tertiary care hospital, Bukit Tinggi Medical Centre (BTMC) is committed to providing high-quality, reasonably priced healthcare.
With a focus on patient care and a team of committed medical professionals and personnel, we want to realize our ambition of becoming Klang's go-to healthcare provider. Orthopedics, neurosurgery, cardiac surgery, obstetrics and gynecology, pediatrics and rehabilitation, aesthetic surgery, and other specialties are all part of our multidisciplinary team approach. Additionally, BTMC has a Health Screening Center that provides a range of health packages to meet the requirements of diverse patient types.
Catalunya General University Hospital
Barcelona, Spain
- A 328-bed capacity, offering comfortable rooms with modern facilities for patient recovery.
- Twenty-two intensive care beds are available for adults, children, and newborns needing close monitoring.
- Seventeen advanced surgical theatres are used for different operations, from general to highly specialised surgeries.
- Over 120 medical consultation rooms where patients receive personalised outpatient care.
- A full suite of diagnostic imaging tools, including MRI, CT, and ultrasound, for accurate medical evaluations.
- A round-the-clock emergency department equipped to handle urgent and critical health issues.
- Dedicated units for neurology and neurosurgery, treating conditions such as stroke, epilepsy, and nerve disorders.
- Neurological testing facilities, including EEG and EMG, are available for detailed assessments of the brain and nerves.
- A strong focus on rehabilitation, helping patients recover from surgeries, injuries, or neurological events.
- A maternity area designed for safe deliveries, with neonatal support for newborn care.
- A day hospital section allows patients to get procedures or therapies without an overnight stay.
- On-site services, including a pharmacy and laboratory, are available to streamline patient care and testing.
- Support for international patients, including multilingual staff and travel and care planning assistance.
- Additional conveniences include a cafeteria, family waiting areas, and ample parking spaces.
Jaypee Hospital
Noida, India
Jaypee Hospital located in Noida, India is accredited by ISO, NABH, NABL. Also listed below are some of the most prominent infrastructural details:
- 525 beds in the first phase
- 150 Critical Care beds
- 325 ward beds with Suite, Deluxe, Twin Sharing, and Economy options
- 18 Modular OTs
- 4 Cardiac Catheterization Lab with unqie Hybrid Operating Room
- 24 bedded Advanced Neonatal ICUs20 bedded Dialysis Units
- 2 Linear Accelerator (IMRT, VMAT, I
- GRT), Wide Bore CT Simulator, one Brachytherapy Suite
- True Beam STx Linear Accelerator
- 2 MRI (3.0 Tesla) with High-Intensity Focused Ultrasound
- 64 Slice PET CT, Gamma Camera, Dual Head 6 Slice SPECT CT
- 256 Slice CT Scan, CT Simulation
- Amongst the few GOLD LEED-certified hospital buildings in India
- Appointment Scheduling
- Flow motion 64 Slice PET CT technology
- Pick and drop facility from/to the Airport
- Foreign exchange facility
- Treatment packages
- Visa assistance
- Admission in the hospital
- Wi-Fi/internet service in the room
- Travel arrangement for patient & attendant after discharge
- Tele-consults after discharge
- Dedicated Guest House for International Patients maintained by Jaypee Hospital
- In-house translators for patient’s comfort
- Assistance in getting doctor’s opinion
- Registration with the Foreigners Regional Registration Office
- Accommodation arrangements after discharge
- Accommodation arrangement for the accompanying attendant
- Customized diet for patient and attendant
- Laundry services
- Prayer room
- Dialysis facility for 60 patients
- Cadaver organs
- Blood bank facilities
- Advanced Laboratory facilities
- Diagnostic and Radiology facilities
- High-end Ultrasound facilities
Wockhardt Hospital - A new Age Hospital
Mumbai, India
Wockhardt Hospital - A New Age Hospital located in Mumbai, India is accredited by NABH. Also listed below are some of the most prominent infrastructural details:
- 20-storeyed building at Mumbai Central (South Mumbai)
- Capacity of 350-beds
- Two highly-advanced cath labs with ultra-modern technologies to perform high risk coronary procedures and neurological surgeries
- 8 Operation Theatres- Cardiac, Joint Replacement, Neurology, Oncology, MAS and Organ Transplantation
- 100 beds dedicated to Critical Care, which are connected to IntelliSpace Critical Care & Anaesthesia (ICCA) system
- Largest Paediatric Cardiac Unit
- It has the largest Intelligent ICCA System
- Possess Hi-tech GPS-enabled Ambulances and largest state-of-the-art Accident & Emergency unit in South Mumbai
- As far as accommodation facility is considered, the Hospital makes it easily accessible for the patients in nearby hotels/lodges
Sri Ramachandra Medical Centre
Chennai, India
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Sri Ramachandra Medical Centre located in Chennai, India is accredited by ISO, JCI, NABH, NABL. Also listed below are some of the most prominent infrastructural details:
- The best minds in healthcare including specialists, and other healthcare professionals work together to treat patients with simple to complex and critical conditions.
- The number of inpatients and outpatients (annually) are 35,000 and 2,50,000 respectively.
- A wide range of surgical specialties, sub specialties are available in Sri Ramachandra Medical Centre Chennai.
- The bed capacity of the hospital is 800 which is inclusive of 200 Intensive Care Unit beds.
- Blood Bank and Eye Bank are available on a 24/7 basis.
Seven Hills Hospital
Mumbai, India
Seven Hills Hospital located in Mumbai, India is accredited by JCI, NABH, NABL. Also listed below are some of the most prominent infrastructural details:
- It is spread over an area of 17 acres.
- There is also an academic institute with research facilities.
- SevenHills Hospital has excellent diagnostic services including a laboratory and a provision for various tests.
- Given that their are specific departments for various kinds of diagnostsic. Tests like PET Scan, MRI, CT scan and biopsies are completed regularly.
- Biochemistry, Hematology, Microbiology are some of the important diagnostic departments.
- Endoscopies as well as non-invasive procedures are done through their respective departments.
- Day care specialty services are available for those kinds of requirements.
- Health Check up packages are also present as are the collaborations with many insurance organisations.
- There are professionally managed in-patient and out-patient facilities.
- There are more than 30 super specialties in Seven Hills Hospital Mumbai.
- There are also Centres of Excellence in Cardiac Care, Neurosciences, Bone & Joint Care, Cancer Care, Nephrology and Cosmetic Dermatology.
- International patient care services are also implemented for the best assistance to overseas patients.
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+99Process Involved for Endovascular surgery for AVM
- Initial Evaluation: Doctors review medical history and symptoms.
- Imaging tests, such as MRI, CT, or angiography, are used to locate the AVM.
- Preoperative Preparation: Fasting, consent, and planning for anaesthesia.
- Procedure Day: A catheter is inserted through the groin and guided to the AVM.
- Embolisation: Special material is injected to block the abnormal vessels.
- Recovery Room: The patient is monitored after the procedure to ensure their safety.
- Hospital Stay: A short stay is required to check for complications.
- Follow-up Care: Regular checkups and imaging to ensure success.
- Brain AVMs: Block abnormal blood flow in tangled brain vessels.
- Spinal AVMs: Fix faulty blood vessels within the spinal area.
- Bleeding AVMs: Helps control and stop bleeding from the AVM.
- Non-bleeding AVMs: treated early to reduce the risk of future bleeding.
- Deep or risky AVMs: Used when surgery is too dangerous.
- Seizure-linked AVMs: Helps alleviate seizures associated with blood flow issues.
- AVMs near key brain parts: Safely targets AVMs near areas that control body functions.
- AVMs causing swelling: Treats pressure or pain from an enlarged AVM.
- Patient Preparation: The person is given anaesthesia so they feel no pain and stay relaxed.
- Catheter Insertion: A narrow, bendable tube is carefully placed into a blood vessel, usually through the upper thigh
- Guiding the Tube: Doctors use special X-ray tools to move the tube through the body toward the AVM.
- Blocking the Vessels: A special glue-like material or small particles are sent through the tube to block the abnormal blood flow.
- Checking the Result: Imaging is performed immediately to determine if the AVM has been successfully sealed.
- Removing the Tube: The tube is slowly removed once the job is complete.
- Watching the Patient: The patient is closely monitored during recovery to ensure their well-being and overall health.
- Follow-up: Doctors check in later with scans and visits to ensure the AVM remains closed.
- Craniotomy
- Radiosurgery
- Angiography
- Coiling
- Stenting
- Thrombectomy
- Catheterisation
- Fluoroscopy
- Embolisation
- Microsurgery
- The treatment does not require cutting open the head.
- Patients often go home within a couple of days.
- Recovery is quicker compared to traditional surgery.
- There is usually little to no pain after the procedure.
- It can stop bleeding from the abnormal blood vessels.
- The tangled blood vessels can shrink or close off.
- Sometimes it helps prepare the AVM for another type of treatment.
- The risk of infection is low.
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