At Shri VAS Clinic, we specialize in comprehensive diagnosis and treatment of voice and throat disorders. Our state-of-the-art facility combines cutting-edge technology with compassionate care to help you restore your voice and quality of life.
State-of-the-art diagnostic and therapeutic technology that matches international standards in laryngology and voice care. At Shri VAS clinic, we are equipped with world-standard tools that allow for precise diagnosis, early intervention, and minimally invasive management of complex voice, airway, and swallowing disorders - all under one roof. Whether it's a singer's strained note, a teacher's lost voice, or a patient struggling to swallow - we offer clarity, personalised care alongside latest technology to help restore function and confidence.
High-definition imaging with advanced tissue visualization
Slow-motion visualization of vocal fold vibrations
FDA-approved neuromuscular electrical stimulation
Targeted electrical stimulation for voice disorders
Real-time swallowing function evaluation
Minimally invasive esophageal examination
Specialized evaluation for singers
From ECR on the east coast to Ambattur in the west, and from Thiruvottiyur in the north to Tambaram in the southstr, we are connected with leading hospitals across Chennai, offering seamless access to specialized care. Our reach extends far beyond the city — patients visit Shri VAS Clinic from across Tamil Nadu, throughout India, and even from around the world. For select conditions, we also provide online consultations and therapy, ensuring that distance is never a barrier to receiving expert, personalized care.
Tamil Nadu’s first exclusive laryngologist
Dr. Raghavi Vishnu Prasanna is a renowned laryngologist with extensive experience in complex voice disorders and surgical interventions.
Exclusive laryngologist (ENT Surgeon)
Expert in treating laryngeal cancers and reconstructive surgery. Published researcher in laryngeal preservation techniques.
Leading hospitals and medical centers nationwide
Apollo Hospitals
Mehta
Prasanth Hospitals
SIMS Hospital
KKR Institute of ENT
GEM Hospitals
Prime Indian
VS Hospital
Radiant Health centre
Pragathi
Parvathi
Ramani ENT
Atlantis Hospital
JH Neuro Rehab
Be Well Hospital
Apollo First Med
Guest Hospital
Right Hospitals
St Thomas Mount Hospital
Mercury Hospital
Vijaya Hospital
Tamira Hospital
Sunrays Laproscopic Centre
Apollo Children's Hospital
Meridian Hospital
Venkataeswara Hospital, Nandhanam
Raj Nursing Home
Muthu Hospital
Ganga Hospital
ESSVEE
Flamingo Hospital
Poovanthi Rehab
Sunshine Neuro & Ortho Clinic
Madras Medical Mission
Apollo Hospitals
Mehta
Prasanth Hospitals
SIMS Hospital
KKR Institute of ENT
GEM Hospitals
Prime Indian
VS Hospital
Radiant Health centre
Pragathi
Parvathi
Ramani ENT
Atlantis Hospital
JH Neuro Rehab
Be Well Hospital
Apollo First Med
Guest Hospital
Right Hospitals
St Thomas Mount Hospital
Mercury Hospital
Vijaya Hospital
Tamira Hospital
Sunrays Laproscopic Centre
Apollo Children's Hospital
Meridian Hospital
Venkataeswara Hospital, Nandhanam
Raj Nursing Home
Muthu Hospital
Ganga Hospital
ESSVEE
Flamingo Hospital
Poovanthi Rehab
Sunshine Neuro & Ortho Clinic
Madras Medical Mission
Apollo Hospitals
Mehta
Prasanth Hospitals
SIMS Hospital
KKR Institute of ENT
GEM Hospitals
Prime Indian
VS Hospital
Radiant Health centre
Pragathi
Parvathi
Ramani ENT
Atlantis Hospital
JH Neuro Rehab
Be Well Hospital
Apollo First Med
Guest Hospital
Right Hospitals
St Thomas Mount Hospital
Mercury Hospital
Vijaya Hospital
Tamira Hospital
Sunrays Laproscopic Centre
Apollo Children's Hospital
Meridian Hospital
Venkataeswara Hospital, Nandhanam
Raj Nursing Home
Muthu Hospital
Ganga Hospital
ESSVEE
Flamingo Hospital
Poovanthi Rehab
Sunshine Neuro & Ortho Clinic
Madras Medical Mission
We offer a complete range of diagnostic, therapeutic, and surgical procedures to address all types of laryngeal disorders with precision and care.
Our experienced team will help determine the best treatment approach for your specific condition. Contact us to discuss which procedures might be right for you.
We make sure our patients receive the best care and treatment
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Take a glimpse inside our our work and what we do
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An ENT (Ear, Nose, and Throat specialist) is a doctor trained to treat a wide range of conditions involving the ears, nose, throat, head, and neck. Their practice covers everything from sinus issues and ear infections to tonsils, thyroid problems, and general throat conditions.
A Laryngologist is an ENT who has undergone additional, advanced fellowship training specifically in:
In short:
If you have hoarseness, voice changes, breathing issues, swallowing difficulty, or require tracheostomy or Ryle’s tube management, a laryngologist is the best specialist to evaluate and treat you.
If your voice loss is associated with fever, cold, or a viral infection, you can start with voice rest, hydration, and simple symptomatic care. Most acute infections resolve on their own in the first few days without antibiotics. However, you should see a laryngologist if:
A specialist evaluation, including stroboscopy, helps identify vocal fold bleeding, swelling, injury, paralysis, or other conditions that may require targeted treatment.
In short: initial rest is fine for viral or mild causes, but persistent or sudden severe voice loss needs early laryngology evaluation.
Yes. Voice therapy is highly effective in improving voice quality and correcting harmful voice habits. It is different from general speech therapy—voice therapy focuses specifically on how your vocal folds, breath, and resonance work together to produce sound.
Voice therapy is useful for both habilitation and rehabilitation:
Voice therapy helps you:
Many patients notice significant improvement with voice therapy alone. Your laryngologist will advise whether therapy, medication, or other treatments are required.
Laryngologists perform specialised surgeries focused on the voice, airway, and swallowing.
Common surgeries include:
Laryngologists specialise in delicate, high-precision procedures that directly affect how you breathe, voice, and swallow, ensuring the safest and best possible functional outcomes.
Yes. Voice surgery today is extremely safe, especially in the hands of a trained laryngologist. The field has evolved tremendously over the years. Today, most modern voice surgeries are performed through the mouth using a direct laryngoscope and magnification, enabling the surgeon to visualise the vocal fold layers in exceptional detail.
Unlike earlier times - when techniques were less refined and offered limited visualization - modern phonosurgery focuses on precision and preservation. Today, surgery is performed with utmost care, using precision micro-dissection and microflap techniques to remove only the diseased tissue while safeguarding healthy structures. This minimizes trauma, ensures accuracy, and promotes faster recovery, helping patients regain normal function sooner, especially in structural lesions.
Thanks to advanced technology—high-definition stroboscopy and state-of-the-art endoscopy systems that support accurate diagnosis—and the use of precision micro-instruments with meticulous surgical techniques, voice surgery today is very safe and designed to protect your natural voice.
Recovery after voice surgery:
Recovery after voice surgery is generally quick, especially with modern, minimally-invasive techniques. Immediately after surgery, there may be some swelling of the vocal fold tissues, which usually settles over 1–2 weeks as the initial healing phase completes. Full recovery of the voice—where all swelling resolves and the vocal fold layers return to normal vibration—may take up to 4–6 weeks. Stroboscopically normal vibration also typically returns within this 4–6-week period.
Most patients are advised strict voice rest for the first 2–3 days, followed by relative voice rest with gentle, confidential voicing for about two weeks. After this period, normal voice use can gradually resume. Singing and full voice projection can also begin slowly after two weeks, though complete recovery continues up to six weeks.
Generally, there are no restrictions on returning to work—even as early as the next day—or on eating, showering, or continuing routine daily activities.
Recovery timelines can vary from patient to patient and also depend on the specific type of surgery performed. Voice therapy may be recommended to optimise healing, reduce muscle tension, and restore efficient voicing.
Every case is unique, but with proper care and guidance, most people quickly return to normal voice smoothly and safely.
Stroboscopy is a specialised test that shows the vocal cords in slow motion using a high-definition endoscope and a strobe light. Since the vocal folds vibrate more than 100–200 times per second, this slow-motion view reveals how each layer vibrates—something a routine ENT endoscopy cannot show.
When a regular endoscopy appears normal, stroboscopy can still detect subtle changes such as early nodules or cysts or polyps, mucosal stiffness, scarring, sulcus, or muscle tension dysphonia. It also provides detailed information on mucosal wave, symmetry, and glottic closure.
For anyone with persistent hoarseness—and especially for singers, teachers, and other professional voice users—stroboscopy is the gold-standard test. It guides accurate diagnosis, appropriate treatment, and helps monitor recovery after therapy or surgery.
Singing Endoscopy is a specialised examination where the vocal cords, larynx, pharynx, and nasopharynx are assessed while the patient sings or performs specific voice tasks. Using a high-definition flexible endoscope passed through the nose, it shows real-time vocal fold vibration, laryngeal transitions, resonance changes, and how the surrounding structures behave—information that a routine endoscopy cannot provide.
This test also helps evaluate resonance changes and the overall vocal tract behaviour during singing or specialised voice use. It is particularly useful for singers, voice actors, teachers, and other professional voice users who experience problems only while singing or only in certain registers, identifying issues such as laryngeal constriction, pharyngeal squeeze, collapse at high pitches, muscle tension, technique-related strain, and register transition difficulties.
Because the patient can see the examination live, real-time correction of singing technique and resonance is possible, helping guide precise, customised singing-focused voice therapy.
Not every voice problem requires a stroboscopy, but it is highly recommended whenever hoarseness or voice change lasts longer than 2–3 weeks, or when the cause of the problem is unclear. A routine ENT endoscopy shows the general structure of the throat, but it cannot assess the vibration of the vocal folds. Stroboscopy provides a slow-motion view of how the vocal cord layers actually move, allowing us to detect subtle issues that may be missed otherwise.
You may especially need a stroboscopy if you are a singer, teacher, public speaker, or professional voice user, or if your symptoms keep recurring. It helps in making an accurate diagnosis, guiding proper treatment, and monitoring recovery after therapy or surgery.
In many cases, a stroboscopy is the most precise and informative test for understanding persistent or complex voice problems.
No, most hoarse voices do not need surgery. Many voice changes are caused by temporary conditions such as viral infections, allergies, reflux, vocal overuse, or muscle tension, and these usually improve with rest, hydration, medication, and voice therapy.
Surgery is required only when there is a structural problem on the vocal cords—such as a cyst, significant polyp, scar, sulcus, papilloma, or certain cases of vocal fold paralysis—that does not improve with conservative treatment.
A detailed laryngeal examination, ideally with stroboscopy, helps determine the exact cause of hoarseness and whether surgery is truly necessary. In most cases, treatment is tailored, conservative, and focused on restoring healthy vocal function without surgery unless clearly indicated.
Yes, children can safely undergo voice evaluation and, when needed, voice therapy. Many children experience hoarseness due to vocal misuse, excessive shouting, prolonged crying, allergies, infections, or habits that strain the voice. A proper evaluation—including a gentle endoscopic examination and, if needed, stroboscopy—helps identify whether the problem is due to behaviour, muscle tension, or a structural issue.
Voice therapy in children focuses on correcting unhealthy voice habits, improving breath support, reducing strain, and guiding them toward healthy vocal behaviours. It is customised to their age and comfort level and is safe, effective, and play-based when required.
Most paediatric voice problems improve with the right guidance, early evaluation, and consistent therapy when indicated.
To facilitate an optimal examination and ensure an accurate assessment, it is advisable to observe a few simple precautions.
After the examination, avoid foods for half hour.
There will be no after effects post endoscopy. Driving/work/other activities can be resumed immediately after the endoscopy.
Swallowing Endoscopy (FEES – Fiberoptic Endoscopic Evaluation of Swallowing)
Swallowing endoscopy is a quick and safe test used to see how well you swallow. It is done in the clinic and does not require anesthesia or fasting.
This test helps identify if there is weakness, delay, or misdirection during swallowing and guides the right treatment or therapy.
If needed, your doctor may also suggest a videofluoroscopic swallow study (VFSS)—an X-ray movie of your swallowing—to get more detailed information.