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Nutcracker esophagus — Clinical Guidelines

Overview

Nutcracker esophagus is not accurately described in the provided abstracts; instead, the focus is on Nutcracker Syndrome (NS), characterized by compression of the left renal vein between the abdominal aorta and superior mesenteric artery, leading to symptoms such as hematuria, abdominal pain, and pelvic venous congestion.

Diagnosis

Key Diagnostic Criteria: Compression of the left renal vein between the aorta and superior mesenteric artery 1 7 8.

Recommended Tests:

- Three-dimensional computed tomography (3D CT) for precise anatomical depiction 7. - Duplex ultrasonography and CT angiography to identify venous compression and varices 1 5. - Renal venography with pressure measurements 9.

Grading: Angiographic CT is preferred over invasive phlebography for diagnosis 8.

Management

First-line Treatments:

- Endovascular Procedures: Stenting of renal veins and embolization of gonadal veins 2 5. - Surgical Interventions: - Microsurgery (gonadal-inferior epigastric vein anastomosis) 1. - Laparoscopic left gonadal vein ligation 4. - Autotransplantation of the left kidney in severe cases 8.

Adjunctive Treatments:

- Anticoagulation therapy for thrombus management 3.

Special Populations

Pregnancy: Not specifically addressed in the abstracts.

Pediatrics: 3D helical CT can be useful for diagnosis in children 7.

Elderly: No specific considerations mentioned; management approaches are similar to other adult populations.

Comorbidities: Management may need to consider coexisting conditions like endometrial cancer, which can complicate diagnosis and treatment 3.

Key Recommendations

Use advanced imaging techniques such as 3D CT and CT angiography for accurate diagnosis of Nutcracker Syndrome (Evidence: Moderate 7 8).

Consider endovascular stenting as a safe and effective treatment option for symptomatic patients (Evidence: Moderate 2 5).

Laparoscopic interventions, such as gonadal vein ligation, can be effective for managing pelvic congestion symptoms secondary to Nutcracker Syndrome (Evidence: Weak 4).

In cases refractory to other treatments or with severe symptoms, autotransplantation of the left kidney may be a viable surgical alternative (Evidence: Weak 8).

Anticoagulation therapy should be considered for managing thrombosis complicating Nutcracker Syndrome (Evidence: Weak 3).

References

1 Li YT, Yang Q, Yao JC, Lv Q, Liu SQ, Dou K. Microsurgical gonadal-inferior epigastric vein anastomosis to treat the nutcracker phenomenon with left gonadal vein varices with reflux. International urology and nephrology 2020. link 2 Belczak SQ, Coelho Neto F, de Araújo WJB, Godoy JMP. Endovascular treatment of anterior nutcracker syndrome and pelvic varices in a patient with an anterior and a posterior renal vein. BMJ case reports 2020. link 3 Nakashima T, Sahashi Y, Kanamori H, Ohno Y, Okura H. Localized solitary left renal vein thrombus complicating nutcracker syndrome: a case report and review of the literature. CEN case reports 2020. link 4 Rogers A, Beech A, Braithwaite B. Transperitoneal laparoscopic left gonadal vein ligation can be the right treatment option for pelvic congestion symptoms secondary to nutcracker syndrome. Vascular 2007. link 5 Hartung O, Grisoli D, Boufi M, Marani I, Hakam Z, Barthelemy P et al.. Endovascular stenting in the treatment of pelvic vein congestion caused by nutcracker syndrome: lessons learned from the first five cases. Journal of vascular surgery 2005. link 6 Little AF, Lavoipierre AM. Unusual clinical manifestations of the Nutcracker Syndrome. Australasian radiology 2002. link 7 Kaneko K, Kiya K, Nishimura K, Shimizu T, Yamashiro Y. Nutcracker phenomenon demonstrated by three-dimensional computed tomography. Pediatric nephrology (Berlin, Germany) 2001. link 8 Shokeir AA, el-Diasty TA, Ghoneim MA. The nutcracker syndrome: new methods of diagnosis and treatment. British journal of urology 1994. link 9 Weiner SN, Bernstein RG, Morehouse H, Golden RA. Hematuria secondary to left peripelvic and gonadal vein varices. Urology 1983. link90358-8)

Nutcracker esophagus