Patients suffering from profound loss of facial movement are increasingly turning to advanced facial nerve reconstruction surgery in Poland to restore their quality of life. Losing the ability to smile, close an eye, or convey natural emotion due to facial nerve damage carries an immense physical and psychological burden. Specialized surgical interventions offer a lifeline for restoring dynamic facial symmetry. By leveraging cutting-edge microsurgical techniques, top-tier specialists are able to repair severed nerves, transfer healthy muscles, and drastically improve facial reanimation outcomes.
Expert reconstructive surgeons approach each case based on the exact timeline and etiology of the paralysis [00:00]. Whether the underlying issue stems from a severe viral infection, a traumatic head injury, or a complex tumor resection, customized surgical pathways exist. The key to successful facial reanimation lies in prompt diagnosis and selecting the appropriate surgical window before irreversible muscle atrophy occurs.
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4 Primary Causes of Permanent Facial Nerve Paralysis
The human facial nerve is an incredibly complex anatomical structure responsible for transmitting motor signals from the brain to the muscles of facial expression. When this delicate pathway is interrupted, the resulting paralysis alters a patient's appearance and functionality [03:17]. Medical professionals generally categorize the onset of permanent facial nerve paralysis into four distinct primary causes. Accurately identifying the root cause is the mandatory first step before outlining any surgical reanimation protocol.
Understanding these categories helps specialized neurotologists and reconstructive surgeons map out a highly personalized treatment timeline. Some conditions require immediate emergency intervention, while others allow for a brief period of watchful waiting. The four primary causes include:
| Cause of Paralysis | Medical Description |
|---|---|
| Severe Viral Infections | Often diagnosed as severe Bell’s Palsy, viral inflammation causes the nerve to swell and compress within the rigid cranial cavity, cutting off vital neural signals. |
| Facial Nerve Tumors | Benign or malignant neoplasms can arise anywhere along the facial nerve pathway. Tumor growth slowly crushes the nerve, or the nerve must be sacrificed during tumor excision. |
| Traumatic Head Injuries | Blunt force trauma from falls, car accidents, or penetrating injuries (such as stab wounds) can instantly fracture the temporal bone and sever the facial nerve. |
| Iatrogenic (Surgical) Injury | Accidental severing or stretching of the facial nerve during unrelated surgical procedures, such as inner ear surgery or parotid gland operations. |
Emergency Surgical Decompression for Severe Bell’s Palsy
Bell's Palsy is traditionally managed through conservative medical therapies, including high-dose corticosteroids and antiviral medications. However, in cases of profound viral infection where the nerve experiences extreme swelling, these conservative measures fall short. The facial nerve travels through a narrow, bony tunnel within the skull; when aggressive swelling occurs, the nerve effectively chokes itself, cutting off blood supply and leading to rapid nerve death [06:27].
For these severe presentations, surgical decompression for Bell's palsy becomes a critical emergency procedure. The surgical objective is to open the bony canal housing the facial nerve, thereby instantly relieving the extreme pressure and restoring blood flow. This prevents permanent neuro-degeneration and preserves the intricate network connecting the nerve to the facial muscles.
Timing is the most critical factor in surgical decompression. Specialists utilize electroneurography (ENoG) to measure the extent of electrical signal degradation. If diagnostic testing reveals overwhelming nerve damage within the first few weeks, emergency decompression is scheduled. Delaying this intervention allows irreversible muscle atrophy to take hold, rendering future recovery substantially more difficult.
Specialized Treatment for Traumatic Facial Nerve Paralysis
Trauma-induced facial paralysis presents a very different clinical challenge compared to viral swelling. High-impact accidents, such as tumbling down a flight of stairs or suffering a severe motor vehicle collision, can result in temporal bone fractures that shear the facial nerve entirely in half [07:40]. Immediate total paralysis and concurrent dizziness or hearing loss on the affected side are common clinical hallmarks of this condition.
The Strategic Timeline for Trauma Repair
Interestingly, unlike the immediate emergency decompression required for severe viral swelling, repairing a traumatically severed nerve does not always demand next-day surgery. If a patient is recovering from multi-system trauma, the facial nerve reconstruction can safely wait. Surgeons have a highly specific window of opportunity—ranging from 1.5 to 2 years post-injury—to physically reconnect the severed nerve endings before the facial muscles permanently die off from lack of stimulation.
- Diagnostic Electrical Testing: Surgeons utilize flat-line electrical testing to confirm a complete nerve transection inside the skull.
- Translabrynthine Approach: A specialized microsurgical pathway is utilized to locate the two severed nerve ends hidden deep within the fractured temporal bone.
- Direct Suture Reconnection: The cleanly severed nerve endings are meticulously sutured back together, allowing regenerating nerve fibers to cross the gap over subsequent months.
Facial Nerve Tumor Removal and Sural Nerve Grafting Techniques
Neoplastic growths, such as large acoustic neuromas or tumors of the parotid gland, frequently entangle or compress the facial nerve. In many oncological surgeries, completely excising the tumor requires the unavoidable sacrifice of a significant segment of the facial nerve [15:05]. This surgical reality leaves a physical gap in the nerve pathway that cannot simply be stretched and stitched back together.
To bridge this gap, reconstructive specialists perform an interposition nerve graft. The gold standard technique involves harvesting a portion of the sural nerve, a sensory nerve located in the lower leg. Because the sural nerve primarily provides sensation to a small patch of skin on the foot, harvesting it results in minimal donor-site morbidity while providing excellent structural conduit material for the face.
The harvested sural nerve is delicately sewn between the healthy proximal and distal ends of the facial nerve. Patient age plays a dramatic role in the success of this graft. Younger patients exhibit rapid, highly efficient nerve regeneration, often achieving excellent restoration of an organic smile and eye closure within a year of the operation.
Advanced Facial Hypoglossal Nerve Graft Procedure for Reanimation
There are complex scenarios where the proximal end of the facial nerve—the part closest to the brainstem—is completely destroyed by a massive tumor or severe trauma. When the root connection at the brain is gone, standard interposition grafts fail because there is no neural signal source to tap into [16:45]. In these challenging cases, surgeons must borrow a live signal from an adjacent cranial nerve.
The facial hypoglossal nerve graft is an ingenious microsurgical solution. The hypoglossal nerve, which controls tongue movement, is partially rerouted and spliced into the paralyzed facial nerve using a graft from the leg. By connecting the facial muscles to the tongue's neural circuitry, life-giving electrical impulses are restored to the face, effectively rescuing the facial muscles from permanent atrophy.
Neuroplasticity and the Relearning Process
Following a hypoglossal to facial nerve graft, the patient's brain must undergo a process of neuroplasticity. Initially, the patient must consciously think about moving their tongue in order to generate a smile on the paralyzed side of their face. Over several months of dedicated neurological rehabilitation, the brain naturally adapts. The conscious effort transforms into an automatic, spontaneous reflex, granting the patient excellent daily facial function and emotional expression without forced thought.
Minimally Invasive Temporalis Tendon Transfer for Long-Term Paralysis
The surgical landscape changes drastically when a patient has suffered from unresolved facial paralysis for more than two years. Beyond the two-year mark, the microscopic connections between the facial nerve and the facial musculature undergo irreversible fibrotic death. Once these muscle end-plates die, no amount of newly grafted nerve tissue can bring the original facial muscles back to life [20:00]. In these late-stage cases, surgeons pivot from nerve repair to dynamic muscle transfer techniques.
The temporalis muscle is a powerful, fan-shaped chewing muscle located on the side of the head. Because it is controlled by the trigeminal nerve rather than the facial nerve, it remains healthy and fully functional even in cases of total facial paralysis. The temporalis tendon transfer procedure involves detaching the tendon of this chewing muscle from the jaw and surgically rerouting it to the corner of the patient's mouth.
Modern advancements in this procedure emphasize a minimally invasive, orthodromic approach. Historically, this surgery required large, visible incisions across the face, leaving prominent scars. Today, elite reconstructive surgeons perform the entire tendon transfer through tiny, hidden incisions inside the mouth and within the natural skin creases near the hairline. This provides patients with immediate facial symmetry at rest and the ability to smile by gently clenching their jaw, all without disfiguring facial scarring.
The Role of Botox and Physical Therapy in Facial Reanimation Recovery
Surgical intervention is only one component of the journey toward facial reanimation. The post-operative healing phase requires dedicated physical therapy and careful medical management to achieve the highest aesthetic and functional results. Neurological rehabilitation focuses on retraining the brain to utilize newly grafted nerves or transferred muscles smoothly [33:30]. Patients utilize biofeedback mirrors to carefully isolate specific muscle movements, ensuring their new smiles appear as natural as possible.
One critical caution raised by global facial nerve experts is the avoidance of aggressive electrical stimulation devices during recovery. While commonly used in general physical therapy, shocking the regenerating facial muscles can provoke severe synkinesis. Synkinesis is a distressing condition where the facial nerves cross-wire during healing, causing involuntary muscle spasms—such as the eye forcefully twitching shut when the patient attempts to smile.
To combat synkinesis and improve overall facial symmetry, targeted Botox (Botulinum Toxin) injections are highly effective. Botox can be used to weaken hyperactive muscles on the healthy side of the face, bringing it into aesthetic harmony with the recovering paralyzed side. Additionally, precision micro-injections of Botox into cross-wired muscles can temporarily silence involuntary synkinetic spasms, allowing the patient to navigate their daily life with renewed confidence and comfort.
Take the First Step Toward Facial Reanimation
Don't let facial nerve paralysis dictate your quality of life. Connect with world-renowned reconstructive surgeons in Poland today to evaluate your surgical options and begin your journey to a confident smile.
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00:00 Dzie? dobry, witam serdecznie na dzisiejszym webinarze organizowanym przez Medicus Clinic... Mam dzisiaj zaszczyt go?ci? wybitnego specjalist? profesora Andrew Fishmana.
02:23 Dzie? dobry. Let's get started now. I'm Professor Fishman and I'm going to speak to you about techniques that I use for facial nerve reconstruction for patients with facial nerve paralysis.
03:17 Okay. So, the facial nerve has many complex parts. It can become paralyzed for really four major causes.
03:47 One of the most common, or Bell's Palsy, is a viral infection. And that usually affects the nerve inside the cranial cavity.
04:17 Another cause that is fairly common are tumors. Tumors can arise anywhere along the facial nerve.
05:13 Another common cause is trauma. Trauma can happen from a fall or some kind of a penetrating trauma like a stab wound or a gunshot.
05:44 And lastly, a fairly common cause unfortunately, is trauma to the nerve from operations either in the ear or the face.
06:15 So I'm going to begin just mentioning something about Bell's palsy... because it's very common.
06:37 This is a patient that presented to me with a very severe Bell's palsy. This was her before the operation, and I performed a decompression of the nerve and this is her after surgery about four or five months later.
07:18 I just want to mention it because it's a very common cause, but in this situation the treatment is an emergency. So we usually handle this in emergency centers like the University Clinic.
08:00 Now, another emergency type cause is from trauma. But this cause does not have to be immediately fixed. It can wait until the patient is either stable from after some kind of a motor vehicle accident, and there's really a time limit up to about two years to fix this.
09:02 The reason for that time limit, up to about 1.5 to 2 years, is because if too much time passes, then the connection between the nerve and the muscles of the face die and we cannot put any new nerves into it.
09:48 But there are many other ways that we can fix the movement of the face even if it's been a very long time without the use of the original nerve, and I will show you that after I show you how this works.
10:27 So this man fell down the stairs and had an immediate complete paralysis of his face and a fracture going right through the middle of his nerve and his ear.
11:03 Now I'm going to show you how we fixed it. First, we did some testing to make sure there wasn't any connection.
11:40 And on this side where there's the paralysis, we see a completely flat line which means that the nerve is completely cut.
12:00 So we did an operation to find the two ends that were cut and sewed it back together.
12:20 This would be a very similar operation that would need to be done if someone had an operation for the ear somewhere and they accidentally cut the facial nerve. It would look just like this surgery.
12:50 So we can see right in this area the nerve was very swollen and it's torn in half.
13:18 So I cleaned the edges up to make it nice and prepared, and then sewed the nerve together with a few sutures. Here I'm preparing it and now I'm going to put some sutures into the nerve.
13:55 And I want to show you the most important thing about this film is how they look after this heals. Here the nerve is completely sewn together.
14:08 And we're going to see how he is at about a year. You see he has pretty good movement. Not great, but he has a, for his opinion, pretty normal daily function.
15:05 Now this is a young girl that was 14 years old when we operated on her, and we took a tumor out of her facial nerve. It was a very big tumor, and you can see that about... this is now about 10 years later. She is able to close her eyes completely... and she's able to smile with a certain amount of movement.
16:02 And she did very well with only the placement of a nice long graft of nerve taken from the side of her leg, because she's very young. So the younger the patient, the much better the nerve is going to take.
16:45 This is another young patient that had a very large tumor pressing on the brainstem and damaging the facial nerve. Here she is after the removal of the tumor in the top two pictures.
17:16 And here she is on the bottom, about a year after we put a nerve that was taken from the side of the leg and connected from one of the nerves in her neck that goes to the tongue, and then that was connected to the facial nerve.
18:46 So you see, she's able to move it by thinking about moving her tongue. In her case, the tumor was so big that we couldn't get any connection to the original facial nerve. So we used the tongue instead, and this works pretty well.
19:37 Now these patients that I just showed you are from anywhere from 15 to 20 years ago from my surgeries in Poland.
20:00 Since that time, I developed a number of techniques that use some other muscles in the face and head to move the face.
20:33 So today, even these patients, I would probably have also used these grafts like I did, but I would also add this additional technique that I'm going to show you and talk to you about now.
21:09 So this was one of the first patients I did about 15 years ago. He had a cancer in the parotid gland, so there was no nerve to be able to connect. And he is one of the first patients we did this to.
22:04 So the early way of doing this was to make an incision in the side of the head to get access to this muscle called the temporalis muscle.
22:32 And then another incision in the face to attach this muscle to the face. And this worked pretty well.
23:00 So you can see what he looks like at about one year after the surgery. You see he's able to smile and move his face just using that temporalis muscle.
23:29 This is about 5 years after the surgery, and you can watch him, he's also able to have some spontaneous reaction, because he learned how to use it just as if he was moving his face naturally.
24:12 On this side, he's going to be interrupted by a telephone call and you'll see that he makes an annoyed expression with his face naturally.
24:45 So you see he was able to make this little... he even made a little bit of puckering in the side of the face and an annoyed look, because his brain has learned how to do that movement without thinking about it.
25:16 And we have to remember that that patient and many of these don't have any facial nerve attached at all. It's all being moved by a separate muscle in the side of the head.
25:49 Now in 2010, working at Northwestern University with my partner, we came up with a new technique to do this same operation but without making any incision on the side of the head.
26:26 Here is one of the first patients we did. Here she was after surgery and here she was before surgery. She had 6 years of paralysis on her face.
26:54 And because of that long period of time, we weren't able to put any nerve grafts in, and only did this technique.
27:14 So there's no incisions on the side here anymore, and the whole operation is done through the small incision in the front of the face, which also helps the cosmetic appearance because it looks exactly like the natural crease.
27:57 So the difficult part was to figure out how to get this muscle separated and attached to the face through a very small space.
28:29 So what I decided to do was to just simply remove this piece of bone where the muscle is attached, because after discussing with the oral surgeons, they all agreed that that attachment is completely unnecessary. It has no effect on the patient's ability to chew or move their jaw.
29:42 And we just use a small saw to remove the bone. And this bone was used to connect to the face with a thin piece of tendon taken from the side of the leg.
30:21 So I connect this tendon to the bone and suture it with some permanent sutures, and then connect that to the side of the face.
30:54 There are also a number of other things that I do. I put a small gold weight to help close the eye.
31:13 And in some patients, we raise up the eyebrow, especially in older patients or men.
32:49 Yeah. This patient on this side had a tumor of the nerve, and I put in a piece of nerve, and I also did this new type of operation.
33:18 So immediately after removing the tumor and putting the piece of nerve in, he looks like this. Because when you put a piece of new nerve, it takes 1 year for the nerve to grow and reach the muscle.
33:56 All those patients I showed you at the beginning, their first good pictures or videos were at one year later. Because during that time, they have only a little by little improvement.
34:31 So here he is just after the surgery, and now I'm going to take him back. This is about two, three months after the original removal of the tumor, and I'm going to do this new operation on him.
35:32 Now here he is one year after the operation.
36:01 And now he's... this is eight years after the operation. And he's even able to whistle, because the nerve graft that I put in has had a really good chance to grow into the muscle, and he's learned how to use the muscles again.
36:56 The only thing I have to correct on him is the eyelid weight started to fall down from gravity. But that's very easy to fix even under just a local anesthesia, just to pull it up.
37:29 I want to show you another patient that had a very big facial tumor and had also... except her, she had a graft to the nerve in the neck, to the tongue, and this new operation.
38:49 He also has a nerve graft going from the brain to the facial nerve.
39:06 So after one month, you can see I also raised up his eyebrow. And he looks, you know, pretty swollen and not so great at one month.
39:33 But now at one year, the swelling is all gone down, the scarring looks very nice. This was the incision I made to match the incision on the other side. So it's a hidden scar.
40:31 Good. This is another lady that had a very large tumor of her facial nerve. It was removed and she also had a graft, similar to that man. But this is at oh about a month after... I'm sorry, three months after surgery.
41:14 So I haven't yet put in the weight in the eye, and she doesn't have yet the effect of the nerve graft because she's only three months.
41:38 But it's very interesting to see her in this time, because you can see the effect of only the new operation from moving the muscle.
42:05 And in one year's time, she is going to have a lot more movement similar to the other patient that I showed you.
42:48 And you can see when we compare the way she moves to the other man I showed, he has a lot more control of the mouth and eye. But she will also have this in a year.
43:30 Okay, so I think in the interest of time, we will go to questions now.
44:20 So the first question is about the time during which this facial nerve decompression should be performed in Bell's palsy. Should every patient be considered for such decompression?
44:35 Good question. The answer is that electrical testing of the nerve needs to show that it's very severely damaged from the infection. And that happens in about only 10% of the patients.
45:25 And in those patients with a very bad damage, it should be done ideally up to two to three weeks.
45:51 But very often patients come to us more than the three-week window of time to offer a decompression.
46:15 So a decision has to be made about how useful it's going to be if it's done late. And in some patients it's still useful. Especially those with very severe paralysis and those who have had more than one paralysis.
46:59 But the most important thing is that there is early testing to see how severe. Because in the 90% of patients where the electrical test shows that it's not so severe, even though there's no movement at all, those patients will get better. And it's good to have that information.
47:55 So next question is when suturing a severed nerve, does time that elapses between the damage and the procedure affect recovery of the function?
48:09 Not really. The important thing is the about a year and a half to two years maximum time. So the recovery is going to be about the same so long as it's done in that window of time.
48:30 Today, when I have such a patient, I will first do the operation to suture the nerve, which is a delicate operation, and then I will do this other newer operation with the incision just through the face, so that the patient doesn't have to wait a year to have reasonable function.
49:52 So next question, what should be the speech therapy or neurological speech therapy approach with facial nerve paralyses?
50:04 So you know, one thing that I think should be avoided should be a lot of electrical stimulation. Massages is good for facial nerve paralysis, and especially caring for the eye. But before any reconstruction is done, if there's too much electrical stimulation it can actually damage the muscle.
51:20 But once the repair has been done, and at least six months to a year after any nerve graft, it's reasonable to start self-training by looking in the mirror and trying to match and control the movements.
52:04 And to do this even more effectively, there are specialists who can use some of the electrical monitoring systems, we call it biofeedback. So you can look and try to get a certain muscle to move at its maximum amount by looking at a screen of the tracing of the electrical signal that it's making.
53:03 So next question is why is it no longer possible to do a nerve graft after two years have passed?
53:11 Yes, very good question. So after about two years, many people say one and a half years, but in younger patients we can go up to two years and still get an effect.
53:26 The reason is that the connection between the nerve that's a new nerve growing through and the muscle is no longer possible. Scar tissue forms on the muscle where the new nerve has to connect to it. The nerve will grow if we put a nerve, but it's the muscle that won't accept the nerve.
54:40 But that's why I really wanted to show you that young woman with the red hair that had both a nerve graft and the temporalis muscle operation.
54:55 Because today, with that operation, we accomplish about 80-90% of success even without any nerve graft. So I think less about how long it's been since the facial injury. Everybody is a candidate for surgery for this reason.
56:11 So the next question is can facial nerve paralysis be caused by the extraction of a tooth, an upper molar? Noting that in this particular case the paralysis appeared about two and a half months after the tooth extraction.
56:37 So it's unlikely that the tooth extraction caused the facial nerve paralysis.
56:48 However, it is recognized that any procedure, even a minor procedure around the face area, can drop the immune system and allow viruses to grow up to higher levels and then cause a facial nerve paralysis by the viral mechanism.
58:00 But the most common time for that to happen is about 10 days to 2 weeks. So two and a half months is probably not related.
58:30 So the next question was also about speech therapy and electrostimulation.
58:40 And then the next one not related to that is whether treatment with botox is a good choice.
58:47 Okay. So botox is a very good treatment for someone that recovered from a nerve paralysis from a viral infection, but they have a lot of spasming.
59:03 And their recovery is too tight. And that happens often.
59:34 And we do also use botox in the forehead area after these types of reconstructive surgeries, but we put it on the normal side. Because very little successfully gives back function of the movement of the forehead, so it's actually a preferable situation to botox the normal side to give it a more even appearance.
1:00:11 Does every patient with Bell's palsy require acyclovir treatment?
1:00:17 That's a very good question. You know, the largest study done maybe 10-15 years ago in the United States found that the antivirals were not making a difference.
1:00:39 So the standard of care at least in the US literature is to only use antivirals if it is a known herpetic class infection or a zoster, the shingles type infection.
1:01:00 Or secondary to some other procedure around the face like we spoke about in the earlier question, where we really think it's a viral reactivation.
1:01:54 Do you use any electric stimulation during rehab? Is the patient under the care of a physical therapist?
1:02:04 Not typically, no. You know, the most important thing is time. The nerve grows about a centimeter a month through the graft, and really nothing seems to make any difference in that process. It's just time and patience.
1:03:07 So the next question is about children with a parotid tumor causing facial nerve paralysis. What is the best age to perform surgery? In this case this is a two and a half year old boy.
1:03:25 Oh, I would not delay it because a tumor causing the facial nerve paralysis has a possibility of being a more aggressive type of a tumor.
1:03:39 Because usually benign processes don't affect the facial nerve.
1:03:46 But if the tumor in the parotid is of facial nerve origin, that's a different story.
1:03:55 Right? So there are two situations. One is we think it's from the parotid, and then it should be done urgently. The other is if we're sure that it's from the actual nerve itself. And that we would want to monitor it closely and do an operation when the function is not so good. You know, at the right time. We can wait a little more.
1:06:07 Is it possible to eliminate the synkinesis between the mouth and the eye? My eye closes when I move my mouth. It's been 2 years since the facial paralysis caused by meningitis from shingles.
1:06:21 Yeah. That's very difficult. Especially that it was meningitis from shingles, that cause of paralysis is going to result in a lot of synkinesis.
1:06:42 The best answer is just training, trying to isolate the movement, and maybe some selective botox around the eye so long as that doesn't result in too open an eye.
1:07:54 When after surgery is the right time to introduce scar therapy or kinesio taping?
1:08:39 It doesn't really matter. I just wouldn't do it too soon during the post-operative period. You know, kinesio taping can be done to help support before surgery, but when we do this especially this operation with the moving of the muscle, the face is going to be pulled up more than it will be in the end, for quite some time, so it won't be necessary to put the taping.
1:09:52 What should be the speech therapy approach with facial nerve paralysis... And whether transcendental ionophoresis can be used in these patients.
1:10:12 I'm not familiar with that so...
1:10:22 Drodzy pa?stwo ja tutaj si? wtr?c? poniewa? jeste?my ju? 15 minut po czasie... my?l?, ?e to jest idealny czas na zadanie ostatnich pyta?... Bardzo dzi?kujemy profesorowi. Thank you so much Dr. Fishman. Dzi?kujemy panie Macieju.
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