Overview
The aim of the study is to establish an infectious risk stratification system based on pre-and post-operative blood endotoxin profile.
Eligibility
Inclusion Criteria:
- Adults that is able to consent (≥ 18 years of age)
- Scheduled to undergo PCNL at Uhealth tower and Jackson Memorial Hospitals
- not currently immunosuppressed \[White blood count (WBC) \>= 2, not on immunosuppressive medications\]
Exclusion Criteria:
- unable to consent and \< 18 years of age
- currently immunosuppressed (WBC \< 2, not on immunosuppressive medications)


