Physical therapy for spinal stenosis is as effective as surgery and should be fully considered as a ...

1. Physical Therapy's Effects Equal to Surgery for Spinal
Stenosis Symptoms
Physical therapy for spinal stenosis is as effective as surgery and should be fully considered as a
first-choice treatment option, according to a new study that is the first to directly compare a single,
evidence-based physical therapy regimen with decompression surgery among patients who agreed
to be randomly assigned to either approach.
The study focused on self-reported physical function among 169 participants diagnosed with lumbar
spinal stenosis (LSS) after 2 years, but it also tracked function measurements along the way--at
baseline, 10 weeks, 6 months, and 12 months. Researchers found that not only were 2-year effects
similar for the 2 groups (87 who began with surgery and 82 who started with physical therapy), the
increase in function followed similar trajectories from baseline on.
Research was conducted between 2000 to 2007, and limited to patients 50 years and older who had
no previous LSS surgery and had no additional conditions including dementia, vascular disease,
metastatic cancer, or a recent history of heart attack.
The study, which appears in the Annals of Internal Medicine (abstract only available for free), was
led by Anthony Delitto, PT, PhD, FAPTA, with coauthors including Sara R. Pilva, PT, PhD, FAAOMP,
OCS, Julie M. Fritz, PT, PhD, FAPTA, and Deborah A. Josbeno, PT, PhD, NCS. The findings have been
reported in Reuters, the Pittsburgh Post-Gazette, Medpage Today, and other outlets.
According to an editorial that accompanies the article (sample available for free), what makes this
research important is that it restricted the nonsurgical approach to a single physical therapy
regimen, and that participants--all of whom were prequalified for surgery--consented to a
randomized treatment approach. Previous studies focused on surgical vs (mostly unspecified)
"nonsurgical" approaches, and some allowed patients to self-select their treatment groups.
Editorial author Jeffrey N. Katz, MD, MSc, writes that the current study more accurately represents
practice, in which "clinicians and patients must choose between surgery and a particular
nonoperative regimen, rather than an amalgam of regimens."
Those particular nonoperative physical therapy treatments administered to the participants included
"instruction on lumbar flexion exercises including posterior pelvic tilts and supine knee-to-chest and
quadruped flexion exercises; general conditioning exercises, including stationary cycling or
treadmill walking; lower extremity strengthening exercises ... ; lower-extremity flexibility exercises

2. deemed appropriate ... ; and patient education to avoid postures involving hyperextension of the
lumbar spine," authors write.
Most participants in the physical therapy group attended at least 1 of the 12 prescribed sessions,
with two-thirds participating in at least 6 sessions. However, over half (57%) of the physical therapy
group elected to have surgery at some point within the 2-year study window. While authors write
that this crossover presents "a challenge in interpretation," additional analysis revealed that even
with this shift, "any differences between the groups were not significant."
"From a clinical standpoint, Delitto and colleagues' trial suggests that a strategy of starting with an
active, standardized [physical therapy] regimen results in similar outcomes to immediate
decompressive surgery over the first several years," writes Katz in his editorial. "Taken together,
these data suggest that patients with LSS should be offered a rigorous, standardized [physical
therapy] regimen. Those who do not improve and ultimately consider surgery should be informed
that the benefits are likely to diminish over time."
Both the study's authors and Katz agree that health provider-patient communication is key.
"Patients and health care providers should engage in shared decision-making conversations that
include full disclosure of evidence involving surgical and nonsurgical treatments for LSS," authors
write, with Katz's editorial arguing that "because long-term outcomes are similar for both treatments
yet short-term risks may differ, patient preferences should weigh heavily in the decision of whether
to have surgery for LSS."
Research-related stories featured in PT in Motion News are intended to highlight a topic of interest
only and do not constitute an endorsement by APTA. For synthesized research and evidence-based
practice information, visit the association's PTNow website.
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Posted by Richard DonTigny, PT on 4/8/2015 5:22 PM
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