Maltese Lifespan Factors: Genes, Care & Health Risks

Category: prevention Breed: Maltese (dog) Senior age: 8–9 years (senior), Lifespan: 12–15 years

Maltese are tiny, long‑coated toy dogs with distinct genetic and conformational risks that change as they become seniors. At 8–9 years a Maltese is entering the senior life stage; careful, breed‑specific screening and management can extend disease‑free years and improve [quality of life](https://seniorpet.org/knowledge/siamese-cat-quality-of-life "Quality of Life Assessment"). This article reviews the major conditions Maltese owners need to know about—why they happen, how to screen for them, and practical care strategies grounded in veterinary evidence and consensus where available.

Why Maltese age differently

Maltese are small and generally live longer than many medium or large breeds, but small size brings its own pattern of disease. Genetic predispositions and breed conformation contribute to problems that commonly appear or progress in the senior years:

• Toy‑breed conformation: narrow skull and small oral cavity promote crowding and early periodontal disease; small tracheal cartilage rings predispose to collapse.
• Genetic predispositions: higher relative risk of conditions such as [mitral valve disease](https://seniorpet.org/knowledge/cavalier-king-charles-spaniel-mitral-valve-disease "Mitral Valve Disease Guide") (MVD), portosystemic shunts (congenital), luxating patella, and certain neurologic syndromes (white shaker).
• Long coat and grooming requirements influence skin and eye health in older dogs who may groom less effectively.

Clinical research and consensus documents (for example, the ACVIM consensus on degenerative mitral valve disease and multiple peer‑reviewed case series) support focused screening in small breeds for cardiac, dental, hepatic, orthopedic, ocular and respiratory problems.

Key senior conditions in Maltese: what to watch for, why they matter

1. Mitral valve disease (MVD)

What it is

• Myxomatous degeneration of the mitral valve is the most common cardiac disease in small breeds. Valve thickening and regurgitation progress over years, possibly leading to congestive heart failure (CHF).

Why Maltese are at risk

• Small, older dogs (including Maltese) are overrepresented among dogs that develop MVD. Age‑related degeneration of valve leaflets is the typical mechanism.

How it presents

• A new heart murmur (often systolic), cough (especially at night or on exertion), exercise intolerance, rapid breathing, or collapse in advanced CHF.

Screening and diagnosis

• Annual auscultation by your veterinarian; any new murmur should prompt thoracic radiographs and echocardiography.
• The ACVIM consensus and the EPIC trial inform decision‑making about starting pimobendan in preclinical dogs with cardiac enlargement (see References).

Actionable care

• If a murmur is present: schedule echocardiography with a cardiologist or experienced generalist to measure chamber size and regurgitation.
• For preclinical dogs with cardiomegaly, discuss pimobendan and appropriate monitoring (blood pressure, renal function).
• For dogs in CHF: follow guideline‑based therapy (diuretics, afterload reducers, pimobendan as indicated) and low‑sodium diets as recommended.
• Avoid rapid weight loss; maintain appropriate body condition score (BCS 4–5/9). Provide activity tailored to tolerance.

2. Luxating patella (medial patellar luxation)

What it is

• A common orthopedic problem in small breeds where the kneecap (patella) intermittently dislocates from the trochlear groove.

Why Maltese are at risk

• Toy breeds commonly have conformational and developmental predispositions causing medial luxation; severity often increases with age and degenerative joint disease.

How it presents

• Intermittent hind limb skipping, sudden lameness, reluctance to climb stairs, or chronic hind limb stiffness.

Screening and diagnosis

• Orthopedic exam to grade luxation I–IV. Radiographs may evaluate alignment and concurrent osteoarthritis.

Actionable care

• For mild (grade I–II): conservative management—weight control, controlled exercise, physical therapy (range‑of‑motion, strengthening of quadriceps), and NSAIDs when needed (after vet evaluation).
• For moderate to severe or painful luxations (grade III–IV or recurrent lameness): surgical correction (trochleoplasty, tibial tuberosity transposition, soft tissue realignment) offers the best long‑term outcome. Early surgery in middle age can prevent severe osteoarthritis.
• Consider joint supplements (glucosamine/chondroitin, omega‑3 fatty acids) as adjuncts—discuss evidence and dosing with your vet.

3. Cataracts and other ocular disease

What it is

• Lens opacities (cataracts) impair vision; in older dogs they are often age‑related or secondary to systemic disease (e.g., diabetes) or prior inflammation.

Why Maltese are at risk

• Small breed and long hair can both complicate ocular surface health; Maltese may develop early lens changes and tear film problems that progress with age.

How it presents

• Cloudy or opaque eyes, bumping into furniture, reluctance to jump, or increased eye rubbing.

Screening and diagnosis

• Annual ophthalmic exam by your veterinarian; refer to a veterinary ophthalmologist if cataract surgery is considered.
• Preoperative screening before anesthesia (cardiac, hepatic assessment) is essential in seniors.

Actionable care

• For non‑visual or slowly progressive cataracts, manage environment and supervise to prevent injury.
• For visually significant cataracts: consult a veterinary ophthalmologist about phacoemulsification; ensure medical clearance (cardiac, hepatic) before anesthesia.
• Maintain ocular hygiene—keep hair trimmed around eyes, address tear film abnormalities, and treat conjunctivitis promptly.

4. Portosystemic liver shunt (congenital PSS)

What it is

• An abnormal vessel bypasses the liver, shunting portal blood directly into systemic circulation, causing toxin accumulation and sometimes poor growth, neurologic signs, and urinary issues.

Why Maltese are at risk

• Certain small breeds, including Maltese, have higher rates of congenital extrahepatic shunts presenting in young dogs but occasionally recognized or persistently symptomatic into older age.

How it presents

• In puppies/small dogs: stunted growth, strange behavior after eating, episodic disorientation, seizures, urinary tract stones. In seniors, subtle signs like decline in alertness or intermittent GI signs can persist or be missed.

Screening and diagnosis

• Pre‑ and postprandial bile acids, fasting ammonia in some cases; abdominal ultrasound or CT to identify and localize the shunt.

Actionable care

• If suspected, expedite testing—bile acids and abdominal imaging.
• Medical management (protein moderation, lactulose, antibiotics such as amoxicillin or metronidazole) can control signs short‑term.
• Surgical attenuation/ligation of the shunt is the definitive therapy in most cases and is often curative; however, surgical risk rises with age and concurrent disease, so preoperative screening is critical.
• If surgery is not undertaken, close medical management and monitoring are necessary.

5. Dental and periodontal disease

What it is

• Plaque, tartar, gingivitis, and periodontal attachment loss; small mouths and tooth crowding make Maltese highly susceptible.

Why Maltese are at risk

• Toy breeds like Maltese show early and severe periodontal disease even in young adulthood; by senior years this is often advanced.

How it presents

• Bad breath, red gums, loose or missing teeth, reluctance to chew, drooling, or systemic signs (e.g., recurrent liver or kidney disease exacerbated by bacteremia).

Screening and diagnosis

• Oral exams at every wellness visit; dental charting and radiographs under anesthesia to assess root and bone health.

Actionable care

• Daily home dental care: toothbrushing with canine toothpaste is the gold standard. Introduce brushing gradually and persist daily.
• Professional dental cleaning and radiographs under anesthesia when indicated. In seniors, preanesthetic cardiac and hepatic screening is essential.
• Consider small‑breed friendly diets and dental chews proven to reduce tartar.
• Address extractions or periodontal therapy promptly—untreated [dental disease](https://seniorpet.org/knowledge/siamese-cat-dental-disease "Dental Disease in Senior Pets") affects systemic health.

6. Collapsed trachea

What it is

• Weakening and collapse of the tracheal rings leading to airway narrowing and chronic, honking cough.

Why Maltese are at risk

• Small toy breeds often have congenital tracheal ring hypoplasia or cartilage weakening; chronic cough often worsens with age and concurrent disease.

How it presents

• Harsh, honking cough (worse with excitement or pressure on neck), exercise intolerance, cyanosis in severe cases.

Screening and diagnosis

• Thoracic radiographs and fluoroscopy or tracheoscopy for definitive diagnosis.

Actionable care

• Avoid neck collars—use a harness to reduce tracheal pressure.
• Weight control and minimize airway irritants (smoke, strong aerosols).
• Medications: cough suppressants (hydrocodone), anti‑inflammatories, bronchodilators, and antibiotics for secondary infection as prescribed by your veterinarian.
• In refractory severe cases, interventional procedures (tracheal stenting) by a specialist may be considered; these carry risks and require careful case selection.

7. White shaker syndrome (idiopathic steroid‑responsive tremor syndrome)

What it is

• An immune‑mediated neurologic disorder that causes generalized tremors, hyperesthesia and sometimes vestibular signs; often responds rapidly to corticosteroids.

Why Maltese are at risk

• Classically occurs in small, white Toy breeds (Maltese, West Highland White Terrier, etc.), although age of onset varies. Although many cases occur in younger dogs, seniors can be affected by immune dysfunction and may experience late onset or relapse.

How it presents

• Whole‑body or head tremors at rest, hyperexcitability, mild ataxia. Mental status typically remains normal.

Screening and diagnosis

• Diagnosis is by clinical pattern and response to steroids after ruling out metabolic, infectious, or structural causes (bloodwork, imaging such as MRI if atypical signs).

Actionable care

• If tremors are mild and classical, a trial of corticosteroids under veterinary supervision often leads to rapid improvement.
• Workup may include CBC/Chem/thyroid testing and, in atypical or severe cases, MRI and CSF analysis.
• Long‑term tapering protocols and alternative immunosuppressives are used for relapsing cases; steroid side effects need monitoring (weight gain, [diabetes](https://seniorpet.org/knowledge/[beagle](https://seniorpet.org/knowledge/breed/beagle "Senior Beagle Health Guide")-diabetes "Diabetes Management in Senior Pets") risk, skin changes).

Practical, actionable care plan for senior Maltese

Below is a suggested screening and care schedule focused on the risks outlined above. Individual dogs may need more or less frequent monitoring based on clinical signs and prior diagnoses.

| Age/stage | Frequency | Key tests/exams | Purpose | |---|---:|---|---| | 8–9 years (entry to senior) | Baseline, then annual | Full physical exam (auscultation), CBC/Chem/UA, dental exam, thoracic radiographs (if cough or murmur), echocardiogram if murmur detected, abdominal ultrasound or bile acids if GI/neurologic signs, orthopedic exam, ophthalmic exam | Establish baseline, detect MVD, dental disease, hepatic shunt signs, orthopedic problems, cataracts | | Every 6–12 months | As recommended | Reevaluation of heart murmur, dental scaling/cleaning when indicated, weight/BMI monitoring, orthopedic reassessment | Monitor progression of disease and treatment response | | As needed | Immediate | Advanced imaging (echocardiogram, MRI), surgical referrals (cardiac, orthopedic, ophthalmic, hepatic), dental radiographs under anesthesia | Definitive diagnosis and treatment planning |

Additional practical steps for owners

• Daily: toothbrushing with small pediatric toothbrush and canine toothpaste; inspect gums weekly.
• Use harnesses, not collars, for walking to reduce tracheal stress.
• Keep body weight lean: small gains markedly increase joint and respiratory strain. Measure caloric intake; ask your veterinarian for a target weight.
• Grooming: keep facial hair trimmed to avoid tear staining and secondary irritation; maintain regular professional grooming if needed.
• Exercise: short, regular walks and controlled activity to maintain muscle mass without overexertion.
• Environment: minimize exposure to tobacco smoke, household aerosols, and strong perfumes that can worsen chronic cough or ocular irritation.
• Medication safety: many cardiac and hepatic drugs have dose adjustments in seniors—always review with your vet or a veterinary pharmacist.
• Emergency signs: difficulty breathing, collapse, persistent vomiting with neurologic signs, sudden blindness, or seizures—seek emergency care.

Anesthesia and surgery considerations in senior Maltese

Senior Maltese often need dental cleanings or orthopedic/ophthalmic surgeries. Small size and concurrent disease change anesthetic risk:

• Pre‑anesthetic workup should include thoracic radiographs, ECG/echocardiogram if a murmur is present, CBC/Chem, and bile acids or liver test if GI/neuro signs present.
• Discuss anesthetic protocols tailored for toy breeds (careful temperature control, small equipment, precise drug dosing).
• Plan postoperative analgesia, early feeding, and monitoring for arrhythmias or respiratory compromise.

Prognosis and quality of life

Many Maltese with chronic conditions can live comfortably for years with appropriate monitoring and treatment. Early detection (annual or more frequent screening) and coordination with specialists (cardiology, ophthalmology, surgery) markedly improve outcomes.

Examples:

• Early MVD: dogs started on guideline‑directed therapy before CHF can enjoy months to years of good quality life; pimobendan delays clinical CHF in dogs with cardiac enlargement (EPIC trial, J Vet Intern Med).
• Luxating patella: surgical correction in appropriately selected dogs can restore function and reduce chronic pain.
• White shaker syndrome: often rapid and dramatic response to corticosteroids, with good long‑term control in many dogs.

When to involve specialists

• Veterinarian detects an audible heart murmur or signs of cardiac disease: cardiology referral for echocardiography.
• Progressive lameness or high‑grade patellar luxation: orthopedic surgeon.
• Visually significant cataracts or uncertain ocular signs: veterinary ophthalmologist.
• Suspected portosystemic shunt: internal medicine/surgery for imaging and surgical planning.
• Severe collapsed trachea or refractory cough: interventional radiology/thoracic specialist.

References and further reading

• ACVIM consensus statements and guideline reviews on degenerative mitral valve disease and CHF (Journal of Veterinary Internal Medicine, 2019 and related literature).
• EPIC Study, J Vet Intern Med — pimobendan in preclinical myxomatous mitral valve disease.
• Review chapters on congenital portosystemic shunts and their management (Veterinary Internal Medicine textbooks).
• Case series and reviews of white shaker syndrome in small breeds (peer‑reviewed journals in veterinary neurology).

(Ask your veterinarian for primary research articles if you’d like citations for specific studies mentioned above.)

Final checklist: what a Maltese owner should do at age 8–9

• Schedule a comprehensive senior exam including cardiac auscultation and baseline bloodwork.
• Begin or reinforce daily toothbrushing and plan for a professional dental evaluation (with radiographs) when indicated.
• Evaluate gait and knees—ask for an orthopedic assessment if you notice skipping, limping, or stiffness.
• Use a harness, not a collar; control weight; avoid environmental airway irritants.
• Keep annual ophthalmic checks and consider early referral if you notice cloudiness or vision changes.
• Keep a list of emergency signs and the contact info for your regular vet and nearest emergency clinic.

Early detection and proactive, breed‑tailored care give Maltese the best chance of maintaining function and comfort through their senior years. Work closely with your veterinarian to create a monitoring and treatment plan that fits your dog’s individual needs.