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Author Topic: Woman's persistence pays off in regenerated fingertip  (Read 869 times)

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Offline JagTopic starter

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Woman's persistence pays off in regenerated fingertip
« on: September 09, 2010, 02:30:24 PM »
Wow...just wow...I know it's just a the tip of her pinky, but that's pretty amazing in my opinion.

After running inside from a rainstorm one Friday evening last January, Deepa Kulkarni leaned against the doorway with her right hand to take off her boots. Then, in an effort to make sure the dog didn't get out, someone slammed the door hard, and it landed right on her pinky.

Kulkarni thought the door had only bruised her finger, but then she looked down and saw the tip of her pinky lying on the floor.

"I swooped down and picked it up before the dog got it," she remembers. "At first I was fine, but then I saw the blood -- there was so much blood -- and I felt woozy."

Her husband, Ajit, called an ambulance, and as soon as his parents arrived to take care of their two young children, Kulkarni retrieved her pinky tip from the freezer -- it had broken off just above the base of her fingernail -- and they headed from their home in Davis, California, to the emergency room.
Video: Woman grows back finger tip

That trip to the hospital was the beginning of a five-week odyssey -- one that involved defying doctors, e-mailing specialists around the country and -- in her words -- being pushy and demanding in order to make her pinky whole again.

'100 percent chance of failure'

"The doctor who was on call at the emergency room told me there was no way he could reattach my pinky," she says. "I didn't like that, so I asked to see a specialist."

An orthopedic surgeon concurred with the ER doctor, and made an additional recommendation: He'd have to amputate even more of the finger so it would heal properly.

"I was like, no way, with so much technology out there, there must be some other way to do this," she said. "But he said he wouldn't even attempt to reattach it. He said was there was a 100 percent chance of failure," she remembers.

Disappointed but defiant, Kulkarni declined the surgeon's treatment, and the doctors sent her home with a bandaged finger and painkillers.

'I am writing to you out of desperation.'

Arriving home at midnight, Kulkarni fell asleep, and the next morning immediately got on her computer. With her nine functioning fingers she searched for hope -- any hope -- that her pinky could be repaired.

Kulkarni, a former human resources manager who is now in law school full time, was accustomed to doing research, but after searching for hours, she still couldn't find any new ideas for reattachment.

She did, however, find something else: stories on "60 Minutes" and "Oprah" about a relatively new procedure called tissue regeneration, which had made amputated finger parts grow back for other patients.

She went to the website for Dr. Stephen Badylak, the University of Pittsburgh physician who helped pioneer the procedure. A little more searching revealed his e-mail address.

"Dear Dr. Badylak," she began. "I am writing to you out of desperation...I ran across your article on the internet and decided to write to you. Can you tell me if [tissue regeneration] works and what my options are to get the treatment?"

She heard back the next day, a Sunday, from one of Dr. Badylak's colleagues. He gave her more details about the procedure, and some bad news: He didn't know of any doctors near her using regenerative medicine.

She e-mailed him photos of her damaged pinky, and he said the team of doctors in Pittsburgh would review them and decide whether they could help her. In the meantime, Kulkarni sent out an all-call in search of a physician near them who used tissue regeneration.

"I e-mailed people at UCLA and Berkeley, and my husband and I called everyone we knew who was a doctor or might know a doctor," she says.

Still, no one had any ideas for her. One friend introduced her to Dr. Malathi Srinivasan, an internist at the University of California-Davis Medical Center, who called Kulkarni from her cell phone while driving home from a skiing trip at Lake Tahoe.

Srinivasan didn't know any doctors with experience in tissue regeneration, but she did give her something Kulkarni badly needed at this point: hope.

"I encouraged her to keep looking, and I did some PubMed searches myself," Srinivasan says, referring to the National Library of Medicine's online collection of research materials.

Seven weeks later, a new pinky

Eventually, Kulkarni made an appointment with Dr. Michael Peterson, an orthopedic surgeon in Davis. At first, Kulkarni says he was hesitant to try tissue regeneration since he hadn't done it before, but she gave him some research materials, and she says eventually he agreed to try it.

The therapy involved cleaning out the finger and removing scar tissue -- a process called debridement -- and then dipping her finger into MatriStem wound powder. After seven weeks of treatment, her fingertip grew back (as shown in the before and after photos above).

"Even now it's not perfect. It's shorter than the other pinky, but just by looking at it you can't tell it was an amputated finger," she says. "I'm able to do everything I could do before. I wash dishes. I cook," she says, adding that she's had physical therapy to decrease tingling in her finger caused by severed nerves.

Kulkarni still keeps her severed pinky tip in the freezer. She thawed it out so CNN could take a photograph of the pinky tip alongside her regenerated finger.

Five lessons learned

Here are lessons Kulkarni learned through her pinky ordeal, plus a few from the doctors who worked with her:

1. Realize your doctor doesn't know everything

"I grew up in India, and doctors there were looked up to as being next to God, and they knew everything and could cure you," Kulkarni says. "What I found out is that even though I like my doctors, I don't have to take every recommendation they give me. I can do my own research."

Srinivasan, the physician who encouraged Kulkarni not to give up, says sometimes doctors don't know about new, cutting-edge treatments being used by other physicians.

"Some doctors are more out-of-date or up-to-date than others," says Srinivasan, an associate professor of medicine at UC-Davis Medical Center who does research on shared decision-making between doctors and patients.

Kulkarni said even when her prospects looked dim, she never completely gave up hope.

"My husband and I are quite pushy, and my husband is smart -- he has a Ph.D. in electrical engineering. We weren't going to take no for an answer," she says.

Petersen, Kulkarni's surgeon, says he's learned from many patients who've come to him having done research on the internet.

"I get a lot of good ideas from patients," he says. "One of the things we have to do as physicians is to listen to our patients."

2. E-mail doctors you don't know

Even though you're a stranger, if you write to a doctor who's a leader in the field, you might get an e-mail in return.

"The doctor from Pittsburgh wrote me back the very next day, on a Sunday," Kulkarni says. "I was so surprised. Maybe I sounded really desperate."

Even if you can't afford to fly out to the expert for treatment, he or she might be able to lead you to a local doctor who can help.

3. Don't be afraid to be a 'bad' patient

Kulkarni said she knows the doctors she saw in the emergency room might have perceived her as an annoying patient when she rejected their treatment options.

"I didn't care," she says. "Imagine if I hadn't pursued other options because I was worried about what other people think -- I didn't want to live with that regret."

4. Be organized

Be fastidious about keeping records. Kulkarni, for example, photographed her pinky at various stages, and she e-mailed the images to various doctors and later to the insurance company to convince them to reimburse her the $1,665 she spent on the drug that regenerated her pinky.

5. Recognize you might be wrong

That treatment that looks perfect on the internet might work for you -- but it might not.

"Sometimes patients are pretty certain through their own research what their problem is and what they need," says Petersen. "It's not up to us as doctors to agree with them. Sometimes part of my role is to guide them that, in reality, that isn't your problem and I don't recommend that treatment."

Some of the pictures might bother some people, but they aren't too graphic. A few show her new pinky with the severed pinky tip next to it and one shows her finger just after the accident (after it'd been cleaned up).

Offline DarklingAlice

Re: Woman's persistence pays off in regenerated fingertip
« Reply #1 on: September 09, 2010, 03:38:50 PM »
Most adult mammals heal without restorative replacement of lost tissue and instead form scar tissue at an injury site. One exception is the adult MRL/MpJ mouse that can regenerate ear and cardiac tissue after wounding with little evidence of scar tissue formation. Following production of a MRL mouse ear hole, 2mm in diameter, a structure rapidly forms at the injury site that resembles the amphibian blastema at a limb amputation site during limb regeneration. We have isolated MRL blastemal cells (MRL-B) from this structure and adapted them to culture. We demonstrate by RT-PCR that even after continuous culturing of these cells they maintain expression of several progenitor cell markers, including DLK (Pref-1), and Msx-1. We have isolated the underlying extracellular matrix (ECM) produced by these MRL-B cells using a new non-proteolytic method and studied the biological activities of this cell-free ECM. Multiplex microELISA analysis of MRL-B cell-free ECM vs. cells revealed selective enrichment of growth factors such as bFGF, HGF and KGF in the matrix compartment. The cell-free ECM, degraded by mild enzyme treatment, was active in promoting migration and proliferation of progenitor cells in vitro and accelerating wound closure in a mouse full thickness cutaneous wound assay in vivo. In vivo, a single application of MRL-B cell matrix-derived products to full thickness cutaneous wounds in non-regenerative mice, B6, induced re-growth of pigmented hair, dermis and epidermis at the wound site whereas scar tissue replaced these tissues at wound sites in mice treated with vehicle alone. These studies suggest that matrix-derived products can stimulate regenerative healing and avert scar tissue formation in adult mammals.
Source: Vorotnikova, et al. "Extracellular matrix-derived products modulate endothelial and progenitor cell migration and proliferation in vitro and stimulate regenerative healing in vivo." Matrix Biol. 2010

Nice to see FDA approval on this. Not at all sanguine about consequences if this procedure is done improperly, but very cool all the same.

Offline JagTopic starter

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Re: Woman's persistence pays off in regenerated fingertip
« Reply #2 on: September 09, 2010, 03:42:39 PM »
I'm sure there are a lot of things that could go wrong, side effects, and such...but it's still pretty interesting.

I think the biggest part of the article was to focus on how doctors can be wrong from time to time. That sometimes you have to go outside a second opinion and find a third, fourth, fifth, sixth, and beyond if need be.

Offline Wolfy

Re: Woman's persistence pays off in regenerated fingertip
« Reply #3 on: September 09, 2010, 04:56:40 PM »
Wasn't there a man a year ago or so who was regrowing the tip of his..thumb, I think, using Powder made from Stem-cells?

Whatever happened to that guy....

Offline Serephino

Re: Woman's persistence pays off in regenerated fingertip
« Reply #4 on: September 09, 2010, 09:15:19 PM »
That is cool.  Maybe one day they'll be able to regrow entire limbs. 

Offline Saerrael

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Re: Woman's persistence pays off in regenerated fingertip
« Reply #5 on: September 09, 2010, 09:36:44 PM »
Incredible. I'm with Serephino in hoping this will lead to more.

Offline villagelunatic

Re: Woman's persistence pays off in regenerated fingertip
« Reply #6 on: September 18, 2010, 12:13:07 PM »
Now, if only John Bobbit had this technology available to him.