A novel neuromuscular syndrome associated with clenbuterol-tainted heroin

Figures & data

Table 1.  Clinical characteristics of five heroin users in descending order of urine clenbuterol concentration

Urine clenbuterol concentration (ng/mL)	Age	Sex	TRGS	Symptom duration (days)	CPK (U/mL)	Case no.
351	33	M	3+	Unknown	Refused	4
234	40	M	4+	3	9,734	2
206	47	M	4+	8^a	5,539	1
38	35	F	3+	2	395	3
26	45	M	4+	2	296	5

CPK, plasma creatine phosphokinase; TRGS, tendon reflex grading scale.

^aCase 1 remained endotracheally intubated for 8 days secondary to concerns over tetanus and persistent muscle spasm.