Central venous catheter-related thrombosis in patients with amyotrophic lateral sclerosis

Background: Central venous catheterization may be required in patients with amyotrophic lateral sclerosis (ALS) for parenteral nutrition, antibiotic treatment, or blood sampling. Different venous access devices can be taken into consideration-centrally inserted central catheters (CICC), peripherally inserted central catheters (PICC), and femorally inserted central catheters (FICCs)-depending on the clinical conditions of the patients. Regardless of the type of access, the presence of paraplegia or tetraplegia is commonly considered a risk factor for catheter-related thrombosis (CRT).Method: This retrospective study analyzes the rate of CRT and other non-infectious complications associated with central venous access in a cohort of 115 patients with paraplegia or tetraplegia, most of them affected by ALS (n = 109).Results: In a period of 34 months, from January 2021 to October 2023, we inserted 75 FICCs, 29 CICCs, and 11 PICCs. PICCs were inserted only in patients with preserved motility of the upper limbs. All devices were inserted by trained operators adopting appropriate insertion bundles. We had no immediate or early complication. Though antithrombotic prophylaxis was adopted only in 61.7% of patients, we had no symptomatic CRT. Other non-infectious complications were infrequent (4 out of 115 patients).Conclusion: These results suggest (a) that the presence of paraplegia or tetraplegia is not necessarily associated with an increased risk of CRT, (b) that the adoption of well-designed insertion bundles plays a key role in minimizing non-infectious complications, and (c) that the insertion of FICCs by direct cannulation of the superficial femoral vein at mid-thigh in paraplegic/tetraplegic patients may have the same advantages which have been described in the general population.