A nurse on a pediatric unit is administering peritoneal dialysis to a toddler. Which of the following findings should the nurse identify as a manifestation of peritonitis?

Peritonitis is the most frequent and serious complication of peritoneal dialysis (PD), particularly in pediatric patients where the risk of contamination is higher. It involves the inflammation of the peritoneum, usually caused by the introduction of bacteria through the dialysis catheter or during bag changes. For a toddler, early detection is vital to prevent systemic sepsis and damage to the peritoneal membrane, which acts as the filtering surface for the procedure. Rationale: A. A report of abdominal cramping during the infusion of the dialysis fluid is common and does not necessarily indicate peritonitis. This sensation often occurs if the dialysate is infused too rapidly, if the fluid is too cold, or due to the initial stretching of the peritoneal cavity. The nurse should monitor the toddler's comfort and consider slowing the infusion rate or warming the fluid, but cramping alone is typically a mechanical or temperature-related issue. B. Edema at the tube insertion site is more indicative of a localized exit-site infection or a fluid leak rather than generalized peritonitis. An exit-site infection can eventually lead to peritonitis if left untreated, but it is characterized by local redness, warmth, and swelling around the catheter itself. Peritonitis, by contrast, is an internal infection of the entire abdominal lining that presents with systemic and effluent changes rather than localized skin findings. C. A cloudy appearance of the dialysate draining from the toddler is the hallmark sign of peritonitis. The cloudiness is caused by the presence of white blood cells (leukocytes) and potentially bacteria or fibrin within the effluent fluid. The nurse should immediately recognize this change in clarity as a medical priority, obtain a sample for culture and sensitivity, and notify the healthcare provider, as prompt initiation of intraperitoneal antibiotics is required to treat the infection. D. The development of a moist cough during the procedure may indicate fluid volume overload or the upward displacement of the diaphragm by the dialysate, which can compromise respiratory effort. This is a concerning finding that requires the nurse to assess the toddler’s breath sounds and respiratory rate, but it is a pulmonary or volume-related complication rather than an inflammatory or infectious manifestation of the peritoneal lining.