The diagnosis of kidney disease in cats often comes subtly, but it can bring many doubts and insecurities to the family. In Red March, we reinforce that modern veterinary medicine seeks to provide well-being, comfort, and quality of life to feline patients throughout the treatment process.
Within this care, nutritional support plays a fundamental role. When a sick cat loses its appetite—which is common in renal conditions—maintaining adequate nutrition becomes a challenge. This is where the esophageal feeding tube proves to be a great ally in treatment. It is a safe resource, widely used in feline medicine, that allows the cat to receive nutrition, water, and medication calmly, without the stress of repeated attempts at forced feeding.
In addition to directly contributing to the patient's recovery, the tube also facilitates the routine of post-operative care at home. With proper guidance from the veterinary team, family members can administer food simply and organized, making this moment calmer and more predictable for everyone. In practice, this reduces the emotional distress that often arises when family members try to feed a cat that does not want to eat.
This type of management allows the focus to return to what really matters: the patient's well-being and the creation of a lighter care environment at home. When the cat receives the necessary nutritional support, it has more energy to respond to treatment, recover its body, and maintain its routine with greater comfort.
To better understand how this approach can transform the care of feline renal patients, we spoke with veterinary physician Daniela Mol Valle, who has a postgraduate degree in Feline Medicine, owns a veterinary clinic, and works in a Cat Friendly Practice.
Based on her 20 years of experience, she shares important guidelines on how to ensure better quality of life, tranquility, and safety for renal cats and their families during all stages of treatment.
Read on and, at the end, share with friends and family!
The silent onset and clinical signs
Pet Med - Why are felines so susceptible to kidney disease?
Daniela Mol Valle - Cats have a significant physiological peculiarity: they evolved as animals adapted to arid environments, with a very efficient ability to concentrate urine and conserve water. This adaptation, throughout their lives, ends up demanding a lot from their kidneys.
Pet Med - Why do we say that kidney disease in cats is "silent"? What are those almost invisible early signs that families might notice in their cat's behavior at home?
Daniela Mol Valle - Additionally, felines exhibit less spontaneous water intake compared to other species, which promotes mild chronic dehydration. Adding this to the natural aging of tissues and genetic, metabolic, and inflammatory factors, kidneys end up being one of the most frequently affected organs in cats, especially from middle age onwards.
This means that the body can compensate for the progressive loss of renal function for a long time without manifesting obvious signs. Often, the cat only shows signs when it has already lost about 70% of its kidney function.
Before that, the signs are very subtle: drinking a little more water, urinating more frequently, losing some weight, or becoming pickier about food. These are subtle changes that can easily go unnoticed in the daily routine of the household.
Pet Med - It is common for families to think that the cat is just "getting old" or "calmer." How do you differentiate natural aging from a sign of kidney function loss?
Daniela Mol Valle - Some changes may occur with aging, but they should never be automatically considered "normal." When a cat starts drinking more water, urinating more, losing weight, having a reduced appetite, or showing less interest in daily activities, this always needs to be investigated.
Healthy aging should not cause progressive weight loss, dehydration, or apathy. Therefore, routine exams are fundamental. For cats aged 7 and older, it is ideal to perform regular check-ups with blood and urine tests and a complete clinical evaluation.
Pet Med - Red March warns about silent diseases. In your experience, what is the "alert" sign that the cat gives even before physical signs become obvious?
Daniela Mol Valle - One of the earliest signs is usually a change in eating behavior. Many cats start to show greater food selectivity, eat smaller amounts, or begin to reject foods they previously enjoyed. Another important sign is increased water consumption and urinary frequency. Attentive family members notice when they need to refill the water bowl more often or when the litter box becomes wetter than usual.
Pet Med - Why do cats with chronic kidney disease lose their appetite? What happens in their body that makes food, once enjoyable, become something they reject?
Daniela Mol Valle - In kidney disease, there is an accumulation of metabolic toxins in the body, especially nitrogenous compounds that should be eliminated by the kidneys. These substances cause a condition called uremia, which leads to nausea, altered taste, gastrointestinal inflammation, and a constant feeling of malaise.
Additionally, a renal cat can develop gastritis, reflux, oral ulcers, and metabolic changes that directly affect the hunger center in the brain, and thus, food, once pleasurable, becomes associated with discomfort.
Pet Med - How does lack of appetite affect not only the body but also the feline's behavior and mood?
Daniela Mol Valle - The impact is profound. The cat starts to lose weight, muscle mass, and energy. Consequently, it becomes more apathetic, sleeps more, interacts less with the family, and often isolates itself.
Family members notice that the active and curious cat becomes quieter, less interested in playing or exploring the environment. This also creates a great emotional impact on the family.
Pet Med - In addition to lack of appetite, how do nausea and dehydration impact the daily life of a renal patient cat?
Daniela Mol Valle - Nausea is extremely debilitating. The cat may approach food, smell it, and then walk away, show excessive salivation, or even vomit.
Dehydration further worsens the feeling of malaise, increases fatigue, and compromises the functioning of various body systems. The result is a weaker, uncomfortable, and less responsive animal to treatment.
The Feeding Tube as an Ally of Affection
Pet Med - At what point do the veterinary team and the family realize that merely "stimulating appetite" is no longer enough and that an esophageal feeding tube becomes necessary?
Daniela Mol Valle - The esophageal feeding tube is indicated when we realize that the cat cannot ingest the minimum amount of food necessary to maintain its metabolism and recovery.
Insisting solely on "stimulating appetite" can lead to severe malnutrition and clinical deterioration. The tube allows the patient to receive adequate nutrition, hydration, and medication safely and without stress.
Pet Med - There is a natural apprehension from families regarding the image of the tube. For many, there is a stigma that the esophageal tube is a "last resort." How do you explain that the tube is, in fact, a way for the cat to regain strength without the stress of being "forced" to eat, that it is a tool for early relief?
Daniela Mol Valle - This is a very important point. The tube should not be seen as a sign of terminal severity, but rather as an extremely valuable therapeutic tool, as it prevents the suffering of the cat that is constantly stimulated or forced to eat and allows the body to recover with adequate nutritional support. In many cases, the tube is temporary and helps the cat to eat on its own again later.
Pet Med - How does the feeding tube help restore hydration and administer medications, which are often major points of conflict between family members and the renal cat?
Daniela Mol Valle - The feeding tube greatly facilitates management. We can administer balanced liquid food, water, and medication directly, without the need for frequent oral manipulation. This reduces conflicts between family members and the cat, lowers stress, and significantly increases treatment adherence.
Pet Med - What are the biggest fears of family members when taking a cat home with a feeding tube, and how does choosing the right accessories help calm these insecurities?
Daniela Mol Valle - The most common fear is that the cat will pull out the tube or that family members won't be able to care for the device properly. There are also concerns about hygiene, feeding, and the possibility of complications. Therefore, clear instructions and appropriate accessories make all the difference in helping the family feel secure.
Pet Med - How does the dynamic of affection in the home change when the cat starts eating using a feeding tube?
Daniela Mol Valle - Interestingly, many families report great relief. Without the need to insist on feeding or forcefully medicating, the relationship returns to being based on affection, tranquility, and care. Family members begin to feel that they are truly helping the animal.
Protection, safety, and the tube protector
Pet Med - Once at home and with the feeding tube, the biggest fear is "what if he pulls it out?" How does the use of a specific protector transform this insecurity into peace of mind for family members?
Daniela Mol Valle - The protector offers a physical barrier that keeps the tube protected and stable. This greatly reduces the risk of the cat pulling or snagging the device on an object in the house. This security brings peace of mind to family members, who are often apprehensive at the beginning of home management.
Pet Med - Hygiene around the tube is vital. How does an accessory designed for this, without using common gauze or bandages, make life easier for family members who have no experience with medical care?
Daniela Mol Valle - An accessory designed for this purpose keeps the area organized and protected without the need for improvisation with gauze or bandages. This facilitates cleaning, reduces the risk of contamination, and makes care much simpler for those without experience in medical procedures.
Pet Med - In addition to hygiene issues, how does a tube protector that "hugs" the animal's neck help prevent domestic accidents, such as the cat snagging the tube on furniture, for example?
Daniela Mol Valle - The anatomical design keeps the tube closer to the animal's body and reduces loose parts that could get caught on furniture, grates, or objects in the house. This is essential for a curious animal like a cat.
Pet Med - Improvised gauze and adhesive tape can cause discomfort and even wounds. In this sense, what are the advantages of using a specific and anatomical tube protector for the well-being of the cat's skin? What are the differentiators of this protector that help keep the tube secure without squeezing or causing discomfort to the cat's neck, respecting the sensitive anatomy of felines?
Daniela Mol Valle - Improvisations can cause skin irritation, moisture build-up, and even injuries, while a specific protector is designed to respect the anatomy of the cat's neck, keeping the tube firm without excessive compression and allowing skin ventilation.
360° Care Cycle and continuous well-being
Pet Med - In the 360° Care concept, how does the stability of daily management (tube safety + pet comfort) directly influence the animal's response to drug treatment?
Daniela Mol Valle - When daily management is stable and predictable, the cat's stress level significantly decreases, promoting appetite, improving immune response, and increasing the effectiveness of drug treatments.
The combination of adequate nutrition, secure protection, and physical comfort creates a much calmer therapeutic environment. The cat experiences less forced manipulation, less discomfort, and a greater sense of security.
Pet Med - Finally, how can 360° Care help the cat achieve greater longevity, living with better quality of life and happiness using these modern resources, consequently changing the family's perception of chronic kidney disease?
Daniela Mol Valle - Chronic kidney disease has no cure, but it can be managed for many years with a good quality of life. When treatment is well-conducted and home management is structured, we can provide the cat with a longer, more comfortable, and dignified life.
Pet Med - Finally, if you deem it necessary, please use the space below to complement your participation by adding any other information you consider important and that has not been addressed during the interview.
Daniela Mol Valle - Feline medicine has evolved greatly in recent years, especially in the understanding that treating a cat doesn't just mean correcting laboratory tests, but rather preserving well-being, autonomy, and quality of life.
When we integrate nutritional support, environmental management, stress control, and technologies that facilitate home care, we can transform a difficult diagnosis into a lighter care process for both the animal and the family.
Pet Med 360º - Veterinary Specialties – Kidney Problems
By: Pauline Machado
Journalist and Veterinarian
Interviewee: Daniela Mol Valle
Veterinarian | Postgrad in Feline Medicine
