Patellar Luxation

Patellar Luxation

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Patellar Luxation

Is your dog bow-legged? Does he or she seem lame in the hind-legs, “skipping” slightly before walking normally again? Your dog may be suffering from a dislocated or floating kneecap. This disorder is more properly known as Patellar Luxation.

What is Patellar Luxation?

A dog’s skeleton is more similar to a human’s than you might think. They have the same bones in their hind-legs as we do in our legs: femur, tibia, fibula, and so on. Dogs even have a knee (sometimes called the stifle), and a kneecap, which is also called the patella.

The Patella is a small bone that slides in the lower groove of the femur (thigh bone) and is attached to the top of the tibia (a long bone beneath the knee). There are several ligaments that hold the patella in place. The patella normally slides up and down in the area between the femur and tibia, forming part of the knee joint.

In a dog with Patellar Luxation, the patella luxates (dislocates) out of its normal position when the knee is flexed (bent). The patella may shift laterally (away from the dog’s midline) or medially (towards the midline of the dog). As a result, the dog won’t be able to properly extend the knee joint, causing lameness.

Causes

Patellar luxation is a hereditary condition. Selective breeding for bow-legged dogs increases the chances of a dog developing the condition. Toy breeds are very susceptible to this condition, including the followning breeds: Yorkshire TerrierPomeranianPekingeseChihuahua, and Boston Terrier. With hereditary patellar luxation, the bones and muscles grow abnormally as the dog grows up, causing lameness. The condition can also be the result of traumatic injuries.

Symptoms

A dog suffering from Patellar luxation will have a strange “skipping” pace, where the dog limps for a few steps then continues moving normally. Not all dogs with the condition will show this symptom. Some dogs will limp continuously, and other walk stiffly without fully extending their knee joints.

Diagnosis

To diagnosis Patellar luxation, the vet will palpate the area, which involves pressing the kneecap and surrounding area to feel for abnormalities. An x-ray or other diagnostic imagining procedures, such as a CAT scan, may be needed to confirm the diagnosis.

Treatment

The treatment for Patellar luxation depends on how serious it is. With Grade I luxation, the mildest form, surgery is not usually required. With Grade II to Grade IV luxation, surgery may be necessary. There are different methods for treating the condition, such as reconstructing the soft tissues in the area, or reshaping parts of the bone: for example, deepening the groove in the femur.

If the dog doesn’t need surgery, then the vet may prescribe painkillers, or recommend physiotherapy or special exercises to keep your dog comfortable. Your dog may need to go on a special diet to keep him at a healthy weight and to avoid putting stress on the joint.

Prevention

There’s no easy way to prevent Patellar luxation. Since this is often a genetic problem, it is really and truly up to dog breeders to breed responsibly. Dogs with genetic Patellar luxation should simply not be bred.

If your dog is at risk from Patellar luxation, make sure to keep him or her at a healthy weight, with daily exercise to help keep them fit. Do not overwork your dog at a young age, as this can cause joint problems.


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The following is needed to bring a puppy into Dubai:


  1. All dogs entering Dubai from a low-risk country at least 15 weeks old, and those entering from a high-risk country must be at least 27 weeks old.
  2. Microchip – All dogs entering and residing in Dubai must be equipped with either a 9 or 15 digit microchip.
  3. Import Permit – All dogs entering Dubai must be equipped with a Special Permit from the Ministry of Climate Change and Environment. Valid for 30 days.
  4. Vaccinations* – Depending on the country of origin, your pet might need a rabies shot on top of all the age appropriate vaccinations. Dubai specific vaccinations: Canine Distemper Virus, Canine Parvo Virus, Infectious Canine Hepatitis, Leptospirosis, Rabies.
  5. Rabies Titer Test * – All dogs entering Dubai must be tested for rabies no later than 14 days before the planned travel date. ( Only from specific
  6. Parasite check - All pets travelling to Dubai must receive preventive treatments against internal and external parasites in the 14 days before travel by an authorised and competent vet.
  7. Health Check – A Health Check by a veterinarian is mandatory in order to obtain permissions to enter Dubai.
  8. Pet Passport – This document verifies that the puppy is fully healthy and up-to-date on their vaccinations.


* The United Arab Emirates classifies all countries into two rabies categories:
  • Low-risk countries: Albania, Andorra, Australia, Austria, Bahamas, Bahrain, Barbados, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Falkland Island, Fiji, Finland, French Polynesia, Germany, Greece, Hong Kong, Iceland, Ireland, Italy, Jamaica, Japan, South Korea, Kuwait, Latvia, Liechtenstein, Maldives, Malta, Marshall Islands, Mauritius, Micronesia, Montenegro, New Caledonia, New Zealand, Palau, Portugal, San Marino, Seychelles, Singapore, Slovakia, Slovenia, Spain, Suriname, Sweden, Switzerland, The Netherlands, UK, and Vanuatu.
  • High-risk countries: All other countries are considered high-risk countries.
** Only for puppies from high-risk countries
Travel Requirements

The following is needed to bring a puppy into Abu Dhabi:


  1. All dogs entering Abu Dhabi from a low-risk country at least 15 weeks old, and those entering from a high-risk country must be at least 27 weeks old.
  2. Microchip – All dogs entering and residing in Abu Dhabi must be equipped with either a 9 or 15 digit microchip.
  3. Import Permit – All dogs entering Abu Dhabi must be equipped with a Special Permit from the Ministry of Climate Change and Environment. Valid for 30 days.
  4. Vaccinations* – Depending on the country of origin, your pet might need a rabies shot on top of all the age appropriate vaccinations. Abu Dhabi specific vaccinations: Canine Distemper Virus, Canine Parvo Virus, Infectious Canine Hepatitis, Leptospirosis, Rabies.
  5. Rabies Titer Test * – All dogs entering Abu Dhabi must be tested for rabies no later than 14 days before the planned travel date. ( Only from specific
  6. Parasite check - All pets travelling to Abu Dhabi must receive preventive treatments against internal and external parasites in the 14 days before travel by an authorised and competent vet.
  7. Health Check – A Health Check by a veterinarian is mandatory in order to obtain permissions to enter Abu Dhabi.
  8. Pet Passport – This document verifies that the puppy is fully healthy and up-to-date on their vaccinations.


* The United Arab Emirates classifies all countries into two rabies categories:
  • Low-risk countries: Albania, Andorra, Australia, Austria, Bahamas, Bahrain, Barbados, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Falkland Island, Fiji, Finland, French Polynesia, Germany, Greece, Hong Kong, Iceland, Ireland, Italy, Jamaica, Japan, South Korea, Kuwait, Latvia, Liechtenstein, Maldives, Malta, Marshall Islands, Mauritius, Micronesia, Montenegro, New Caledonia, New Zealand, Palau, Portugal, San Marino, Seychelles, Singapore, Slovakia, Slovenia, Spain, Suriname, Sweden, Switzerland, The Netherlands, UK, and Vanuatu.
  • High-risk countries: All other countries are considered high-risk countries.
** Only for puppies from high-risk countries
Travel Requirements

The following is needed to bring a puppy into Hong Kong:


  1. All dogs entering Hong Kong must be at least 3 months old.
  2. Microchip – All dogs entering and residing in Hong Kong must be equipped with either a 9 or 15-digit microchip.
  3. Import Permit – All dogs entering Hong Kong must be equipped with a Special Permit from the Agriculture, Fisheries and Conservation Department. Valid for up to 6 months.
  4. Vaccinations* – Depending on the country of origin, your pet might need a rabies shot on top of all the age appropriate vaccinations. Hong Kong specific vaccinations: Canine distemper, infectious canine hepatitis, canine parvovirus and rabies.
  5. Health Check – A Health Check by a veterinarian is mandatory in order to obtain permissions to enter Hong Kong.
  6. Pet Passport – This document verifies that the puppy is fully healthy and up-to-date on their vaccinations.
  7. Captain’s Affidavit – Document to be provided by the airline personnel confirming that your dog has not left its crate or interacted with other pets at any point during the journey.


* Hong Kong classifies countries into 3 groups. Vaccinations against rabies are only required from Groups 2 & 3.
  • Group 1: Rabies-free countries (at least 6 months of residency) Australia, Fiji, Hawaii, Ireland, Japan, New Zealand, United Kingdom, Bailiwick of Jersey.
  • Group 2: Rabies-controlled (at least 4 months of residency) Austria, Bahrain, Bermuda, Canada, Cyprus, Finland, Germany, Guam, Italy, Luxembourg, Malta, Norway, Papua New Guinea, Seychelles, Solomon Islands, Spain, Switzerland, Taiwan, Vanuatu, Bahamas, Belgium, Brunei, Cayman Island, Denmark, France, Gibraltar, Iceland, Jamaica, Maldives, Mauritius, New Caledonia, Portugal, Singapore, South Africa, Sweden, The Netherlands, USA (Continental), Virgin Islands.
  • Group 3: All other countries.
** Only for puppies from high-risk countries
Travel Requirements

The following is needed to bring a puppy into Switzerland:


  1. All pets entering Switzerland must be equipped with a 15-digit microchip that is compliant with ISO 11784/11785.
  2. Dogs must be vaccinated against distemper.
  3. Rabies vaccinations are mandatory. Dogs must receive their first rabies vaccine at least 21 days before entering the country.*
  4. The state veterinarian of the origin country must equip the dog with a valid Health Certificate.
  5. Import Permit – all dogs entering from a 3rd level rabies country must carry an import permit issued at least three weeks in advance. Entry points through Basel, Geneva, Zurich.
  6. Different regulations depending on whether it is a commercial purchase or individual and where the dog is coming from.


* Specifications differ for booster shots. ** Switzerland categorises countries by level of risk of rabies in three levels.
  • Level 1: All EU Member States and Andorra, Switzerland, Faeroe Islands, Gibraltar, Greenland, Iceland, Liechtenstein, Monaco, Northern Ireland, Norway, San Marino, Vatican City State.
  • Level 2 (Low Risk of Rabies): Ascension Island, United Arab Emirates, Antigua and Barbuda, Argentina, Australia, Aruba, Bosnia and Herzegovina, Barbados, Bahrain, Bermuda,Bonaire, Sint Eustatius and Saba, Belarus, Canada, Chile, Curaçao, Fiji, Falkland Islands, Great Britain (including Crown dependencies), Hong Kong, Jamaica, Japan, Saint Kitts and Nevis, Cayman Islands, Saint Lucia, North Macedonia, Montserrat, Mauritius, Mexico, Malaysia, New Caledonia, New Zealand, French Polynesia, Saint Pierre and Miquelon, Russia, Singapore, Saint Helena, Sint Marteen, Trinidad and Tobago, Taiwan, United States of America, American Samoa, Guam, Northern Mariana Islands, Puerto Rico, Virgin Islands, Saint Vincent and the Grenadines, British Virgin Islands, Vanuatu, Wallis and Futuna.
  • Level 3: All other countries are considered as having a high risk of rabies.
Travel Requirements