PCL, Orthopedics FAQ

Understanding Patellar Dislocation: Diagnosis, Treatment, and Recovery Tips

Patellar dislocation issues? Echo: Musculoskeletal System Ultrasound Examination Chief Complaint: Sonar Diagnosis of left knee MPFL complete rupture from patella MRI: Knee MRI without contrast MRI of left knee using a 1.5 Tesla machine with axial section FSE PD with fat sup...

Dr. Li Yongheng Reply:
Hello, I have previously responded to some of your questions. Here are my replies one by one: 1. I am allergic to certain NSAIDs, but usually not to all NSAIDs. If I cannot take medication, then I will have to rely on ice packs and rest. 2. If there is no further dislocation, ...

Understanding Ligament Injuries: Impact of Delayed MRI on Recovery

Ligament issues I participated in a friendly match on November 25th as part of my school team. While cutting in, I twisted my left knee and fell to the ground. I have a history of anterior cruciate ligament (ACL) tear in my left knee. Since it was a Sunday, there were no orthoped...

Dr. You Dianqi Reply:
Hello: If you have not engaged in any strenuous exercise during this period, which could lead to further injury, then the nearly one-month waiting period should not result in any significant changes. This time allows the injured tissue to experience some reduction in swelling, an...

Understanding Persistent Knee Issues After ACL Reconstruction: What You Need to Know

Posterior cruciate ligament (PCL) Hello Doctor: Ten years ago, I fell while riding my bicycle and injured my left knee. I noticed significant movement in my left tibia, and after examination at the hospital, I was diagnosed with a torn posterior cruciate ligament (PCL). It took a...

Dr. Shi Guozheng Reply:
After undergoing ligament reconstruction surgery, insufficient muscle strength in the knee joint may lead to a feeling of instability. Additionally, the tension from the reconstruction may not have fully restored, causing slight displacement of the knee joint. If there are no sym...

Understanding Posterior Cruciate Ligament Reconstruction After Injury

Posterior cruciate ligament reconstruction Hello, doctor. I was in a car accident in mid-May, which caused swelling in my knee. After the swelling subsided over the past two weeks, I went to the hospital for an examination and had an MRI. The doctor said I have a complete tear of...

Dr. Chen Yongxue Reply:
Hello, the knee joint has four ligaments. If three of them are torn, it will be very unstable, particularly with a rupture of the posterior cruciate ligament (PCL), which is usually caused by a bicycle accident where the front of the knee is struck backward. This type of PCL tear...

Persistent Knee Pain After Injury: Seeking Answers and Solutions

Severe pain persists in the knee two and a half months after the injury? Hello Doctor: Thank you for your tireless efforts in answering the questions of netizens. I truly appreciate it. In mid-February, while running, I tripped over an unknown object and fell, landing on both kne...

Dr. Chen Yongxue Reply:
Hello, both meniscus and cruciate ligament injuries cannot be diagnosed with X-rays; an MRI is necessary. Regarding the interpretation of MRI results, there can be some margin of error. PRP injections cannot alleviate pain from a right knee fracture; if there is no displacement, ...

Understanding Post-Operative Recovery for PCL Reconstruction and Meniscus Repair

Postoperative Outcomes and Differences After Anterior Cruciate Ligament Reconstruction Hello, doctor. I was in a car accident six months ago, and it was only recently discovered through examinations that I have a complete tear of the posterior cruciate ligament (PCL), a partial t...

Dr. Shi Guozheng Reply:
1. The limitation of knee joint flexion may take a bit longer. 2. The duration for wearing a brace should be discussed with the surgeon to understand the specifics of the procedure; it is typically three to six months. 3. Meniscus repair generally requires about six weeks of ...

Sudden Severe Knee Pain Upon Waking: Possible Causes and Concerns

Sudden severe knee pain upon waking up? Hello, doctor. A few months ago, I occasionally felt tightness in my right knee, but there was no pain. Today, however, I suddenly experienced severe pain in my knee (woke up from the pain while sleeping), and it hurts whether I straighten ...

Dr. Wang Jiacheng Reply:
In young individuals, a rupture of the posterior cruciate ligament (PCL) typically occurs due to a severe impact. If you wake up feeling pain, it is unlikely that the ligament has torn. If you are concerned, it is best to consult a physician. A torn posterior cruciate ligament ca...

Optimal Timing for Posterior Cruciate Ligament Reconstruction Surgery

Time for Posterior Cruciate Ligament Reconstruction Surgery I sustained a possible anterior cruciate ligament (ACL) tear on May 14th due to a dance move that caused me to hit the floor (while wearing knee pads). I am currently waiting for an MRI. I heard from a certain instructor...

Dr. Chen Yongxue Reply:
Hello, generally speaking, it is best to perform surgery for a torn posterior cruciate ligament (PCL) approximately two months after the injury. Thank you.

Do You Need a Brace After PCL Injury Recovery? Expert Insights

Posterior cruciate ligament (PCL) Hello, doctor. I am a 30-year-old male office worker. I had an accident while riding my motorcycle and caused a small piece of bone to be pulled out by the posterior cruciate ligament. The doctor said to apply a cast to stabilize the bone and all...

Dr. Chen Yongxue Reply:
Hello, regarding your post-operative condition, it is best to consult your attending physician, as each individual's situation is different. Generally speaking, assistive devices are the best alternatives to casts. If the cast has already been removed, the assistive device m...

Recovery After Tibial Fracture: ACL Rehabilitation and Hardware Removal

Removal of intramedullary nail for tibial fracture and reconstruction of the posterior cruciate ligament? Hello, doctor: After a car accident, I had an intramedullary nail placed for a tibial fracture. Three months later, during a follow-up, it was discovered that I have a torn p...

Dr. Wang Shouji Reply:
Hello: The presence of intramedullary nails in the tibia can indeed affect anterior cruciate ligament (ACL) reconstruction. I recommend removing the metal pins after the fracture has healed before addressing the ACL issue. For ACL reconstruction, you may consult an orthopedic sur...

Recovery After Tibia Fracture: ACL Rehabilitation and Hardware Removal

Removal of intramedullary nail for tibial fracture and reconstruction of the posterior cruciate ligament? Hello, Doctor: After a car accident, I had an intramedullary nail placed for a tibial fracture. Three months later, during a follow-up visit, it was discovered that I have a ...

Managing Knee Injuries: Patellar Healing and ACL Reconstruction Options

Patellar tendon and posterior cruciate ligament (PCL) of the knee? I would like to ask about my knee condition after a previous car accident that resulted in three broken bones, which have healed. However, my patella has not fully healed yet, and there is still a small crack. The...

Dr. Chen Yongxue Reply:
It is recommended to focus on ligament reconstruction, typically performed at least three weeks after the injury for better outcomes. Prior to surgery, the main goal should be to reduce swelling. Additionally, strengthening exercises for the quadriceps are crucial to prevent musc...

Understanding PCL Reconstruction: Signs of Re-injury and Recovery

Posterior cruciate ligament (PCL) Hello Doctor, I underwent a posterior cruciate ligament reconstruction surgery a month ago. Now, after more than a month, I have noticed that I can walk normally without pain, and I can bend my knee to a 90-degree angle without any discomfort. Do...

Dr. Shi Guozheng Reply:
If the ligament has torn again, it is usually due to significant external force. Additionally, the knee joint may become weak or exhibit instability in the anterior-posterior direction. If you are still unsure, it is advisable to consult a physician.

Managing Swelling and Pain After ACL Injury from Car Accident

Fractured patella after a car accident, with knee swelling? Hello doctor, my right knee has a torn posterior cruciate ligament due to a car accident. I've been undergoing rehabilitation recently and have noticed increasing swelling in my knee, along with pain when pressure i...

Dr. Hong Ximing Reply:
In the case of a posterior cruciate ligament (PCL) tear, if it leads to joint instability, it can easily result in the accumulation of synovial fluid and swelling within the joint. It is recommended to rest first and then consult with the attending physician for further evaluatio...

Understanding Knee Ligament Injuries: Impact and Recovery After Trauma

Anterior cruciate ligament (ACL) injury? Hello, I would like to ask about a previous car accident. The other party suffered from two knee lacerations, which were sutured and subsequently treated with traditional Chinese medicine rehabilitation. After 2-3 months, the doctor diagno...

Dr. Chen Yongxue Reply:
Hello, there are four main ligaments in the knee. Ligament injuries can vary in symptoms depending on the location and severity. The cruciate ligaments are divided into the anterior cruciate ligament (ACL) and the posterior cruciate ligament (PCL), which are primarily responsible...

Understanding Posterior Cruciate Ligament Tears: Treatment Options and Recovery

Posterior cruciate ligament (PCL) tear? Hello, Doctor: I would like to ask about an incident that occurred about two months ago when I had a motorcycle accident. At that time, the doctor mentioned that my posterior cruciate ligament (PCL) might be torn. Later, an MRI confirmed th...

Dr. Chen Yongxue Reply:
Hello, if your knee cannot bend fully, it may be due to an obstruction, possibly fragments from a tear in the bone, damage to the meniscus, or a significant hematoma. It is important to address the underlying cause promptly. If the posterior cruciate ligament (PCL) is torn, it wi...

Understanding Posterior Cruciate Ligament Injuries and Recovery Tips

Posterior cruciate ligament tear with associated fracture? Last week, after a motorcycle accident, I went to the hospital where the doctor diagnosed me with a 71784 right knee posterior cruciate ligament (PCL) strain and a tibial fracture. After reviewing the X-rays, the doctor m...

Dr. Chen Yongxue Reply:
The cruciate ligament brace is used for patients undergoing cruciate ligament reconstruction or those with cruciate ligament tear-related fractures. This brace provides a certain degree of joint mobility under safe conditions. It is recommended that you wear this brace until the ...

Post-ACL Reconstruction: Understanding Sensory Loss and Swelling in the Leg

After posterior cruciate ligament reconstruction surgery, there is a loss of sensation in certain areas of the leg? Hello, Doctor. I would like to consult you regarding a patient who underwent anterior cruciate ligament (ACL) reconstruction surgery on the left knee one month ago....

Dr. Chen Yongxue Reply:
1. After surgery, there may be partial damage to the superficial nerves, which can lead to numbness in certain areas of the skin. This is a common phenomenon experienced by most surgical patients and is generally not a cause for concern. Some superficial nerves may recover to a c...

Understanding ACL Injuries: Pain After Surgery and Military Service Implications

Cruciate ligament I apologize for the inconvenience, but I would like to ask you about my right knee. Due to a car accident, I sustained damage to my cruciate ligaments. After a hospital examination, the doctor informed me that my anterior cruciate ligament (ACL) is partially tor...

Dr. Li Wenlin Reply:
1. Knee joint instability exceeding 1 centimeter after more than one year of treatment, or evidence of joint pathology confirmed by X-ray examination. 2. Reconstruction of the anterior cruciate ligament in both knees. Only one of the above conditions is required for exemption fro...

Understanding Leg Length Discrepancy After Knee Arthroscopy Surgery

After undergoing arthroscopy of the knee, it was discovered that there is a leg length discrepancy? Hello, Doctor: I would like to ask if undergoing arthroscopy on the knee can cause leg length discrepancy. I can confirm that I did not have this issue before the arthroscopy. The ...

Dr. Hong Ximing Reply:
Hello Tina! Undergoing arthroscopic surgery should not cause a leg length discrepancy. Based on your description, it seems that the difference in the extension angles between your legs may be due to muscle or ligament fibrosis post-surgery, which can create the sensation of havin...

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