OUR BONES NEED BLOOD SUPPLY TO
STAY HEALTHY.
A-VAS-CU-LAR NE-CRO-SIS IS A
CONDITION WHEN BONES DIE BECAUSE
OF LOST BLOOD SUPPLY.
DR. TARIQ NAYFEH.MEDICAL
DIRECTOR OF THE JOINT
REPLACEMENT PROGRAM AT MEDSTAR
HARBOR HOSPITAL JOINS US WITH
MORE.
WHAT IS AVN?
WHAT CAUSES AVN?
WHO IS LIKELY TO DEVELOP AVN?
WHAT ARE THE SYMPTOMS?
WHERE DOES AVN COMMONLY OCCUR?
HOW IS AVN DIAGNOSED?
WHAT TREATMENTS ARE AVAILABLE?
OSTEONECROSIS.. WHEN THE BONE
LOSES ITS BLOOD SUPPLY, IT
BECOMES SOFT. IT'S LIKE, WHEN
YOU HAVE A POT HOLE IN YOUR
STREET. . IT CAN COME FROM A LOT
OF DIFFERENT FACTORS. THE JOINT
CAN BECOME DISLOCATED. .
MEDICATIONS. . SUBSTANCES THAT
WE ABUSE. THE MOST COMMON
CAUSE, ALCOHOLISM. . PREDNISONE,
STEROIDS.. RHEUMATOID ARTHRITIS.
. MANY OTHER CONDITIONS.
CONDITIONS. HIV.. COSELL
SICKLE CELL DISEASE.. WE WANT TO
CATCH THESE, EARLY. WHEN IT
BECOMES LATE, THE JOINT STARS TO
COLLAPSE, THE PEEN BECOME
SEVERE. . WE MOST COMMONLY SEE
THIS IN THE HIPS. WE WILL SIT IN
THE NEKNEE.. LESS COMMON IN THE
ELBOW AND REST. THERE IS PAIN.
UNFORTUNATELY, IT CAN BE SEVERE
PAIN. IT CAN COME EARLY ON, AND,
LUCKILY FOR SOME, WE CAN HAVE AN
PEOPLE AS LONG AS 11, PEOPLE AS
OLD AS 85. ALCOHOLICS, ANYWHERE
FROM 20, TO 50. . PEOPLE ON
PREDNISONE.. IT CAN BE, THE
ENTIRE SPECTRUM.. A PATIENT WILL
COME IN WITH PAIN, AND, THEN,
WE'D NORMALLY GET X-RAYS. . IF
YOU CAN'T SEE IT ON AN X-RAY, WE
WOULD GO THEN TO THE MRI.. WE
HAVE BEEN EXPERIMENTING WITH A
NUMBER OF DIFFERENT THINGS, FOR
YEARS. WE WILL DO SOME STEM
CELLS. WE WILL LIFT UP THE
DAMAGED CARTILAGE. . MOLECULAR
TREATMENT. . THEY INTRODUCE NEW
BONE GROWTH INTO THE AREA. YOU
MUST GET THE JOINT RESTORED. .
THE BONE IS DEAD, AND, YOU NEED
GOOD BONE. . SO, THEN, WE'RE