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Salpingitis isthmica nodosa: results of transcervical fluoroscopic catheter recanalization
A S Thurmond1, K A Burry, M J Novy
1Department of Obstetrics and Gynecology, School of Medicine, Oregon Health Sciences University, Portland.
Objective:
To investigate the role of transcervical tubal catheterization in diagnosis and treatment of proximal tubal obstruction associated with salpingitis isthmica nodosa.
Design:
Retrospective case study.
Setting:
University hospital and outpatient radiology practice.
Patients:
Fifty-two women with proximal tubal obstruction associated with salpingitis isthmica nodosa.
Intervention:
Selective salpingography and catheter recanalization using fluoroscopic guidance.
Main Outcome Measures:
The number of tubes visualized to the fimbria as a percentage of the tubes with proximal tubal obstruction on the initial hysterosalpingogram was determined as a measure of diagnostic efficacy. To evaluate the treatment potential of catheter recanalization, the patients were grouped according to tubal status at the conclusion of the procedure and subsequent pregnancies were evaluated.
Results:
Forty-seven of 65 tubes (72%) with proximal tubal obstruction were recanalized successfully. Among the 19 women who were able to conceive only via a recanalized salpingitis isthmica nodosa tube, there were 6 live births (32%) and two tubal pregnancies (10%).
Conclusion:
Selective salpingography allows complete tubal diagnosis in almost three fourths of patients with proximal tubal obstruction and salpingitis isthmica nodosa. The radiographic diagnosis of salpingitis isthmica nodosa may be pressure dependent. Intrauterine pregnancies occur via recanalized salpingitis isthmica nodosa tubes, therefore catheter recanalization may be attempted before tubal microsurgery or IVF in patients with proximal tubal obstruction and associated salpingitis isthmica nodosa.