Tuesday, June 28, 2022
June 28, 2022

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Human medicine saves giraffe

Calf was born with front limbs that bent the wrong way

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Msituni, a giraffe calf born with an unusual disorder that caused her legs to bend the wrong way, tries out her new braces Feb. 10 at the San Diego Zoo Safari Park in Escondido, north of San Diego.
Msituni, a giraffe calf born with an unusual disorder that caused her legs to bend the wrong way, tries out her new braces Feb. 10 at the San Diego Zoo Safari Park in Escondido, north of San Diego. (San Diego Zoo Wildlife Alliance) Photo Gallery

ESCONDIDO, Calif. — Over the past three decades, Ara Mirzaian has fitted braces for everyone from Paralympians to children with scoliosis. But Msituni was a patient like none other: a newborn giraffe.

The calf was born Feb. 1 at the San Diego Zoo Safari Park in Escondido, north of San Diego, with her front limbs bending the wrong way. Safari park staff feared she could die if they didn’t immediately correct the condition, which could prevent her from nursing and walking.

But they had no experience with fitting a baby giraffe in a brace. That proved especially challenging given that she was a 5-foot,10-inch-tall newborn who was growing taller every day. So they reached out to experts in orthotics at the Hanger Clinic, where Mirzaian landed his very first animal patient.

“It was pretty surreal when I first heard about it,” Mirzaian told The Associated Press this week during a tour to meet Msituni, who was strutting alongside the other giraffes with no troubles. “Of course, all I did was go online and study giraffes for like 24/7 until we got out here.”

Zoos increasingly are turning to medical professionals who treat people to find solutions for ailing animals. The collaborations have been especially helpful in the field of prosthetics and orthotics. Earlier this year, ZooTampa in Florida teamed up with similar experts to successfully replace the beak of a cancer-stricken great hornbill bird with a 3D-printed prosthetic.

The Hanger team in California had fit orthotics for a cyclist and a kayaker who both went on to win medals at the 2016 Paralympics in Brazil. It also customized a brace for a marathoner with multiple sclerosis who raced in seven continents.

And in 2006, a Hanger team in Florida created a prosthetic for a bottlenose dolphin that had lost its tail after becoming tangled in ropes from a crab trap. The team’s story inspired the 2011 movie “Dolphin Tale.”

But this was a definite learning curve for all, including Matt Kinney, a senior veterinarian for the San Diego Zoo Wildlife Alliance in charge of Msituni’s case.

“We commonly put on casts and bandages and stuff. But something that extensive, like this brace that she was provided, that’s something we really had to turn to our human (medicine) colleagues for,” Kinney said.

Msituni suffered from hyperextended carpi — wrist joint bones in giraffes’ front limbs, which are more like arms. As she overcompensated, the second front limb started to hyperextend as well. Her back leg joints also were weak but were able to be corrected with specialized hoof extenders. And given that she weighed more than 100 pounds at birth, the abnormality was already taking its toll on her joints and bones.

While the custom braces were being built, Kinney first bought post-surgery knee braces at Target that he cut up and re-sewed, but they kept slipping off. Then Msituni wore medical-grade braces for humans that were modified for her long legs. But eventually, Msituni broke one.

For the custom braces to work, they would need to have a range of motion but be durable, so Hanger worked with a company that makes horse braces.

After cast moldings of the giraffe’s legs were taken, it took eight days to make the carbon graphite braces that featured the animal’s distinct pattern of crooked spots to match her fur.

“We put on the giraffe pattern just to make it fun,” Mirzaian said. “We do this with kids all the time. They get to pick superheroes or their favorite team, and we imprint it on their bracing. So why not do it with a giraffe?”

In the end, Msituni needed only one brace. The other leg corrected itself with the medical-grade brace.

After 10 days in the custom brace, the problem was corrected. All told, Msituni was in braces for 39 days from the day she was born.

“It feels good to know we saved a giraffe’s life,” Mirzaian said.

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